Home / 12,572.28-17,351.15-7,195.23

Finding the Fourth Proportional to 12,572.28, 17,351.15 and 7,195.23

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Solution

The fourth proportional to 12,572.28, 17,351.15 and 7,195.23 is: 9,930.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,572.28 : 17,351.15 = 7,195.23 : x
  2. Step 2: Convert to fraction form
    12,572.28/17,351.15 = 7,195.23/x
  3. Step 3: Cross multiply
    12,572.28x = 17,351.15 × 7,195.23
  4. Step 4: Simplify right side
    12,572.28x = 124,845,479.04
  5. Step 5: Solve for x
    x = 124,845,479.04/12,572.28
  6. Step 6: Final answer
    x = 9,930.22

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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.