Home / 10,750.74-16,130.16-4,177.32

Finding the Fourth Proportional to 10,750.74, 16,130.16 and 4,177.32

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Solution

The fourth proportional to 10,750.74, 16,130.16 and 4,177.32 is: 6,267.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,750.74 : 16,130.16 = 4,177.32 : x
  2. Step 2: Convert to fraction form
    10,750.74/16,130.16 = 4,177.32/x
  3. Step 3: Cross multiply
    10,750.74x = 16,130.16 × 4,177.32
  4. Step 4: Simplify right side
    10,750.74x = 67,380,839.97
  5. Step 5: Solve for x
    x = 67,380,839.97/10,750.74
  6. Step 6: Final answer
    x = 6,267.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.