Home / 10,079.66-15,126.37-3,505.78

Finding the Fourth Proportional to 10,079.66, 15,126.37 and 3,505.78

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Solution

The fourth proportional to 10,079.66, 15,126.37 and 3,505.78 is: 5,261.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,079.66 : 15,126.37 = 3,505.78 : x
  2. Step 2: Convert to fraction form
    10,079.66/15,126.37 = 3,505.78/x
  3. Step 3: Cross multiply
    10,079.66x = 15,126.37 × 3,505.78
  4. Step 4: Simplify right side
    10,079.66x = 53,029,725.42
  5. Step 5: Solve for x
    x = 53,029,725.42/10,079.66
  6. Step 6: Final answer
    x = 5,261.06

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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.