Home / 12,473.90-17,220.36-9,634.92

Finding the Fourth Proportional to 12,473.90, 17,220.36 and 9,634.92

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Solution

The fourth proportional to 12,473.90, 17,220.36 and 9,634.92 is: 13,301.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,473.90 : 17,220.36 = 9,634.92 : x
  2. Step 2: Convert to fraction form
    12,473.90/17,220.36 = 9,634.92/x
  3. Step 3: Cross multiply
    12,473.90x = 17,220.36 × 9,634.92
  4. Step 4: Simplify right side
    12,473.90x = 165,916,790.97
  5. Step 5: Solve for x
    x = 165,916,790.97/12,473.90
  6. Step 6: Final answer
    x = 13,301.12

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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.