Home / 9,455.38-13,051.10-5,679.74

Finding the Fourth Proportional to 9,455.38, 13,051.10 and 5,679.74

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Solution

The fourth proportional to 9,455.38, 13,051.10 and 5,679.74 is: 7,839.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,455.38 : 13,051.10 = 5,679.74 : x
  2. Step 2: Convert to fraction form
    9,455.38/13,051.10 = 5,679.74/x
  3. Step 3: Cross multiply
    9,455.38x = 13,051.10 × 5,679.74
  4. Step 4: Simplify right side
    9,455.38x = 74,126,854.71
  5. Step 5: Solve for x
    x = 74,126,854.71/9,455.38
  6. Step 6: Final answer
    x = 7,839.65

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Find fourth proportional to 4,727.69, 6,525.55 and 2,839.87
Half scale
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Double scale
Find fourth proportional to 9,456.38, 13,052.48 and 5,680.74
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.