Home / 10,151.15-14,010.84-6,171.41

Finding the Fourth Proportional to 10,151.15, 14,010.84 and 6,171.41

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Solution

The fourth proportional to 10,151.15, 14,010.84 and 6,171.41 is: 8,517.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,151.15 : 14,010.84 = 6,171.41 : x
  2. Step 2: Convert to fraction form
    10,151.15/14,010.84 = 6,171.41/x
  3. Step 3: Cross multiply
    10,151.15x = 14,010.84 × 6,171.41
  4. Step 4: Simplify right side
    10,151.15x = 86,466,673.11
  5. Step 5: Solve for x
    x = 86,466,673.11/10,151.15
  6. Step 6: Final answer
    x = 8,517.92

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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.