Home / 9,079.30-13,612.20-4,699.90

Finding the Fourth Proportional to 9,079.30, 13,612.20 and 4,699.90

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Solution

The fourth proportional to 9,079.30, 13,612.20 and 4,699.90 is: 7,046.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,079.30 : 13,612.20 = 4,699.90 : x
  2. Step 2: Convert to fraction form
    9,079.30/13,612.20 = 4,699.90/x
  3. Step 3: Cross multiply
    9,079.30x = 13,612.20 × 4,699.90
  4. Step 4: Simplify right side
    9,079.30x = 63,975,978.78
  5. Step 5: Solve for x
    x = 63,975,978.78/9,079.30
  6. Step 6: Final answer
    x = 7,046.36

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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.