Home / 9,013.52-13,487.40-5,317.52

Finding the Fourth Proportional to 9,013.52, 13,487.40 and 5,317.52

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Solution

The fourth proportional to 9,013.52, 13,487.40 and 5,317.52 is: 7,956.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,013.52 : 13,487.40 = 5,317.52 : x
  2. Step 2: Convert to fraction form
    9,013.52/13,487.40 = 5,317.52/x
  3. Step 3: Cross multiply
    9,013.52x = 13,487.40 × 5,317.52
  4. Step 4: Simplify right side
    9,013.52x = 71,719,519.25
  5. Step 5: Solve for x
    x = 71,719,519.25/9,013.52
  6. Step 6: Final answer
    x = 7,956.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.