Home / 8,651.20-11,938.17-5,114.74

Finding the Fourth Proportional to 8,651.20, 11,938.17 and 5,114.74

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Solution

The fourth proportional to 8,651.20, 11,938.17 and 5,114.74 is: 7,058.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,651.20 : 11,938.17 = 5,114.74 : x
  2. Step 2: Convert to fraction form
    8,651.20/11,938.17 = 5,114.74/x
  3. Step 3: Cross multiply
    8,651.20x = 11,938.17 × 5,114.74
  4. Step 4: Simplify right side
    8,651.20x = 61,060,635.63
  5. Step 5: Solve for x
    x = 61,060,635.63/8,651.20
  6. Step 6: Final answer
    x = 7,058.05

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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.