Home / 9,008.45-12,432.91-5,029.78

Finding the Fourth Proportional to 9,008.45, 12,432.91 and 5,029.78

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Solution

The fourth proportional to 9,008.45, 12,432.91 and 5,029.78 is: 6,941.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,008.45 : 12,432.91 = 5,029.78 : x
  2. Step 2: Convert to fraction form
    9,008.45/12,432.91 = 5,029.78/x
  3. Step 3: Cross multiply
    9,008.45x = 12,432.91 × 5,029.78
  4. Step 4: Simplify right side
    9,008.45x = 62,534,802.06
  5. Step 5: Solve for x
    x = 62,534,802.06/9,008.45
  6. Step 6: Final answer
    x = 6,941.79

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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.