Home / 12,749.28-17,593.97-7,084.01

Finding the Fourth Proportional to 12,749.28, 17,593.97 and 7,084.01

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Solution

The fourth proportional to 12,749.28, 17,593.97 and 7,084.01 is: 9,775.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,749.28 : 17,593.97 = 7,084.01 : x
  2. Step 2: Convert to fraction form
    12,749.28/17,593.97 = 7,084.01/x
  3. Step 3: Cross multiply
    12,749.28x = 17,593.97 × 7,084.01
  4. Step 4: Simplify right side
    12,749.28x = 124,635,789.16
  5. Step 5: Solve for x
    x = 124,635,789.16/12,749.28
  6. Step 6: Final answer
    x = 9,775.91

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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.