Home / 9,617.16-13,272.30-5,425.68

Finding the Fourth Proportional to 9,617.16, 13,272.30 and 5,425.68

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Solution

The fourth proportional to 9,617.16, 13,272.30 and 5,425.68 is: 7,487.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,617.16 : 13,272.30 = 5,425.68 : x
  2. Step 2: Convert to fraction form
    9,617.16/13,272.30 = 5,425.68/x
  3. Step 3: Cross multiply
    9,617.16x = 13,272.30 × 5,425.68
  4. Step 4: Simplify right side
    9,617.16x = 72,011,252.66
  5. Step 5: Solve for x
    x = 72,011,252.66/9,617.16
  6. Step 6: Final answer
    x = 7,487.79

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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.