Home / 9,432.38-13,016.13-5,453.21

Finding the Fourth Proportional to 9,432.38, 13,016.13 and 5,453.21

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Solution

The fourth proportional to 9,432.38, 13,016.13 and 5,453.21 is: 7,525.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,432.38 : 13,016.13 = 5,453.21 : x
  2. Step 2: Convert to fraction form
    9,432.38/13,016.13 = 5,453.21/x
  3. Step 3: Cross multiply
    9,432.38x = 13,016.13 × 5,453.21
  4. Step 4: Simplify right side
    9,432.38x = 70,979,690.28
  5. Step 5: Solve for x
    x = 70,979,690.28/9,432.38
  6. Step 6: Final answer
    x = 7,525.11

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Double scale
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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.