Home / 10,125.25-13,972.17-5,818.48

Finding the Fourth Proportional to 10,125.25, 13,972.17 and 5,818.48

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Solution

The fourth proportional to 10,125.25, 13,972.17 and 5,818.48 is: 8,029.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,125.25 : 13,972.17 = 5,818.48 : x
  2. Step 2: Convert to fraction form
    10,125.25/13,972.17 = 5,818.48/x
  3. Step 3: Cross multiply
    10,125.25x = 13,972.17 × 5,818.48
  4. Step 4: Simplify right side
    10,125.25x = 81,296,791.70
  5. Step 5: Solve for x
    x = 81,296,791.70/10,125.25
  6. Step 6: Final answer
    x = 8,029.11

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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.