Home / 10,679.90-16,023.27-5,133.65

Finding the Fourth Proportional to 10,679.90, 16,023.27 and 5,133.65

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Solution

The fourth proportional to 10,679.90, 16,023.27 and 5,133.65 is: 7,702.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,679.90 : 16,023.27 = 5,133.65 : x
  2. Step 2: Convert to fraction form
    10,679.90/16,023.27 = 5,133.65/x
  3. Step 3: Cross multiply
    10,679.90x = 16,023.27 × 5,133.65
  4. Step 4: Simplify right side
    10,679.90x = 82,257,779.92
  5. Step 5: Solve for x
    x = 82,257,779.92/10,679.90
  6. Step 6: Final answer
    x = 7,702.12

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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.