Home / 10,114.61-13,959.06-6,137.92

Finding the Fourth Proportional to 10,114.61, 13,959.06 and 6,137.92

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Solution

The fourth proportional to 10,114.61, 13,959.06 and 6,137.92 is: 8,470.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,114.61 : 13,959.06 = 6,137.92 : x
  2. Step 2: Convert to fraction form
    10,114.61/13,959.06 = 6,137.92/x
  3. Step 3: Cross multiply
    10,114.61x = 13,959.06 × 6,137.92
  4. Step 4: Simplify right side
    10,114.61x = 85,679,593.56
  5. Step 5: Solve for x
    x = 85,679,593.56/10,114.61
  6. Step 6: Final answer
    x = 8,470.87

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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.