Home / 10,079.85-15,126.72-3,506.02

Finding the Fourth Proportional to 10,079.85, 15,126.72 and 3,506.02

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Solution

The fourth proportional to 10,079.85, 15,126.72 and 3,506.02 is: 5,261.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,079.85 : 15,126.72 = 3,506.02 : x
  2. Step 2: Convert to fraction form
    10,079.85/15,126.72 = 3,506.02/x
  3. Step 3: Cross multiply
    10,079.85x = 15,126.72 × 3,506.02
  4. Step 4: Simplify right side
    10,079.85x = 53,034,582.85
  5. Step 5: Solve for x
    x = 53,034,582.85/10,079.85
  6. Step 6: Final answer
    x = 5,261.45

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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.