Home / 12,593.97-17,373.56-9,780.03

Finding the Fourth Proportional to 12,593.97, 17,373.56 and 9,780.03

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Solution

The fourth proportional to 12,593.97, 17,373.56 and 9,780.03 is: 13,491.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,593.97 : 17,373.56 = 9,780.03 : x
  2. Step 2: Convert to fraction form
    12,593.97/17,373.56 = 9,780.03/x
  3. Step 3: Cross multiply
    12,593.97x = 17,373.56 × 9,780.03
  4. Step 4: Simplify right side
    12,593.97x = 169,913,889.11
  5. Step 5: Solve for x
    x = 169,913,889.11/12,593.97
  6. Step 6: Final answer
    x = 13,491.69

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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.