Home / 9,338.15-12,888.14-5,980.79

Finding the Fourth Proportional to 9,338.15, 12,888.14 and 5,980.79

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Solution

The fourth proportional to 9,338.15, 12,888.14 and 5,980.79 is: 8,254.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,338.15 : 12,888.14 = 5,980.79 : x
  2. Step 2: Convert to fraction form
    9,338.15/12,888.14 = 5,980.79/x
  3. Step 3: Cross multiply
    9,338.15x = 12,888.14 × 5,980.79
  4. Step 4: Simplify right side
    9,338.15x = 77,081,164.49
  5. Step 5: Solve for x
    x = 77,081,164.49/9,338.15
  6. Step 6: Final answer
    x = 8,254.44

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Half scale
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Double scale
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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.