Home / 9,008.13-12,432.65-5,282.13

Finding the Fourth Proportional to 9,008.13, 12,432.65 and 5,282.13

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Solution

The fourth proportional to 9,008.13, 12,432.65 and 5,282.13 is: 7,290.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,008.13 : 12,432.65 = 5,282.13 : x
  2. Step 2: Convert to fraction form
    9,008.13/12,432.65 = 5,282.13/x
  3. Step 3: Cross multiply
    9,008.13x = 12,432.65 × 5,282.13
  4. Step 4: Simplify right side
    9,008.13x = 65,670,873.54
  5. Step 5: Solve for x
    x = 65,670,873.54/9,008.13
  6. Step 6: Final answer
    x = 7,290.18

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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.