Home / 11,679.18-17,508.35-4,281.91

Finding the Fourth Proportional to 11,679.18, 17,508.35 and 4,281.91

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Solution

The fourth proportional to 11,679.18, 17,508.35 and 4,281.91 is: 6,419.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,679.18 : 17,508.35 = 4,281.91 : x
  2. Step 2: Convert to fraction form
    11,679.18/17,508.35 = 4,281.91/x
  3. Step 3: Cross multiply
    11,679.18x = 17,508.35 × 4,281.91
  4. Step 4: Simplify right side
    11,679.18x = 74,969,162.89
  5. Step 5: Solve for x
    x = 74,969,162.89/11,679.18
  6. Step 6: Final answer
    x = 6,419.05

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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.