Home / 10,747.74-16,106.95-4,080.66

Finding the Fourth Proportional to 10,747.74, 16,106.95 and 4,080.66

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Solution

The fourth proportional to 10,747.74, 16,106.95 and 4,080.66 is: 6,115.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,747.74 : 16,106.95 = 4,080.66 : x
  2. Step 2: Convert to fraction form
    10,747.74/16,106.95 = 4,080.66/x
  3. Step 3: Cross multiply
    10,747.74x = 16,106.95 × 4,080.66
  4. Step 4: Simplify right side
    10,747.74x = 65,727,034.34
  5. Step 5: Solve for x
    x = 65,727,034.34/10,747.74
  6. Step 6: Final answer
    x = 6,115.43

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1.5x scale

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.