Home / 12,717.61-17,550.40-7,052.03

Finding the Fourth Proportional to 12,717.61, 17,550.40 and 7,052.03

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Solution

The fourth proportional to 12,717.61, 17,550.40 and 7,052.03 is: 9,731.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,717.61 : 17,550.40 = 7,052.03 : x
  2. Step 2: Convert to fraction form
    12,717.61/17,550.40 = 7,052.03/x
  3. Step 3: Cross multiply
    12,717.61x = 17,550.40 × 7,052.03
  4. Step 4: Simplify right side
    12,717.61x = 123,765,947.41
  5. Step 5: Solve for x
    x = 123,765,947.41/12,717.61
  6. Step 6: Final answer
    x = 9,731.85

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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.