Home / 9,587.12-13,229.84-5,395.28

Finding the Fourth Proportional to 9,587.12, 13,229.84 and 5,395.28

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Solution

The fourth proportional to 9,587.12, 13,229.84 and 5,395.28 is: 7,445.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,587.12 : 13,229.84 = 5,395.28 : x
  2. Step 2: Convert to fraction form
    9,587.12/13,229.84 = 5,395.28/x
  3. Step 3: Cross multiply
    9,587.12x = 13,229.84 × 5,395.28
  4. Step 4: Simplify right side
    9,587.12x = 71,378,691.16
  5. Step 5: Solve for x
    x = 71,378,691.16/9,587.12
  6. Step 6: Final answer
    x = 7,445.27

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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.