Home / 9,507.20-13,117.12-5,527.36

Finding the Fourth Proportional to 9,507.20, 13,117.12 and 5,527.36

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Solution

The fourth proportional to 9,507.20, 13,117.12 and 5,527.36 is: 7,626.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,507.20 : 13,117.12 = 5,527.36 : x
  2. Step 2: Convert to fraction form
    9,507.20/13,117.12 = 5,527.36/x
  3. Step 3: Cross multiply
    9,507.20x = 13,117.12 × 5,527.36
  4. Step 4: Simplify right side
    9,507.20x = 72,503,044.40
  5. Step 5: Solve for x
    x = 72,503,044.40/9,507.20
  6. Step 6: Final answer
    x = 7,626.12

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Half scale
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Double scale
Find fourth proportional to 9,508.20, 13,118.50 and 5,528.36
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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.