Home / 9,008.97-12,430.38-5,229.96

Finding the Fourth Proportional to 9,008.97, 12,430.38 and 5,229.96

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Solution

The fourth proportional to 9,008.97, 12,430.38 and 5,229.96 is: 7,216.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,008.97 : 12,430.38 = 5,229.96 : x
  2. Step 2: Convert to fraction form
    9,008.97/12,430.38 = 5,229.96/x
  3. Step 3: Cross multiply
    9,008.97x = 12,430.38 × 5,229.96
  4. Step 4: Simplify right side
    9,008.97x = 65,010,390.18
  5. Step 5: Solve for x
    x = 65,010,390.18/9,008.97
  6. Step 6: Final answer
    x = 7,216.18

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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.