Home / 10,877.90-15,010.11-6,162.18

Finding the Fourth Proportional to 10,877.90, 15,010.11 and 6,162.18

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Solution

The fourth proportional to 10,877.90, 15,010.11 and 6,162.18 is: 8,503.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,877.90 : 15,010.11 = 6,162.18 : x
  2. Step 2: Convert to fraction form
    10,877.90/15,010.11 = 6,162.18/x
  3. Step 3: Cross multiply
    10,877.90x = 15,010.11 × 6,162.18
  4. Step 4: Simplify right side
    10,877.90x = 92,494,943.35
  5. Step 5: Solve for x
    x = 92,494,943.35/10,877.90
  6. Step 6: Final answer
    x = 8,503.02

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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.