Home / 13,042.17-17,999.82-8,569.62

Finding the Fourth Proportional to 13,042.17, 17,999.82 and 8,569.62

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Solution

The fourth proportional to 13,042.17, 17,999.82 and 8,569.62 is: 11,827.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,042.17 : 17,999.82 = 8,569.62 : x
  2. Step 2: Convert to fraction form
    13,042.17/17,999.82 = 8,569.62/x
  3. Step 3: Cross multiply
    13,042.17x = 17,999.82 × 8,569.62
  4. Step 4: Simplify right side
    13,042.17x = 154,251,617.47
  5. Step 5: Solve for x
    x = 154,251,617.47/13,042.17
  6. Step 6: Final answer
    x = 11,827.14

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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.