Home / 9,231.17-12,739.28-5,252.24

Finding the Fourth Proportional to 9,231.17, 12,739.28 and 5,252.24

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Solution

The fourth proportional to 9,231.17, 12,739.28 and 5,252.24 is: 7,248.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,231.17 : 12,739.28 = 5,252.24 : x
  2. Step 2: Convert to fraction form
    9,231.17/12,739.28 = 5,252.24/x
  3. Step 3: Cross multiply
    9,231.17x = 12,739.28 × 5,252.24
  4. Step 4: Simplify right side
    9,231.17x = 66,909,761.57
  5. Step 5: Solve for x
    x = 66,909,761.57/9,231.17
  6. Step 6: Final answer
    x = 7,248.25

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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.