Home / 29,314.61-43,971.52-7,127.92

Finding the Fourth Proportional to 29,314.61, 43,971.52 and 7,127.92

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Solution

The fourth proportional to 29,314.61, 43,971.52 and 7,127.92 is: 10,691.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,314.61 : 43,971.52 = 7,127.92 : x
  2. Step 2: Convert to fraction form
    29,314.61/43,971.52 = 7,127.92/x
  3. Step 3: Cross multiply
    29,314.61x = 43,971.52 × 7,127.92
  4. Step 4: Simplify right side
    29,314.61x = 313,425,476.84
  5. Step 5: Solve for x
    x = 313,425,476.84/29,314.61
  6. Step 6: Final answer
    x = 10,691.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.