Home / 10,748.90-16,129.50-4,174.23

Finding the Fourth Proportional to 10,748.90, 16,129.50 and 4,174.23

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Solution

The fourth proportional to 10,748.90, 16,129.50 and 4,174.23 is: 6,263.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,748.90 : 16,129.50 = 4,174.23 : x
  2. Step 2: Convert to fraction form
    10,748.90/16,129.50 = 4,174.23/x
  3. Step 3: Cross multiply
    10,748.90x = 16,129.50 × 4,174.23
  4. Step 4: Simplify right side
    10,748.90x = 67,328,221.91
  5. Step 5: Solve for x
    x = 67,328,221.91/10,748.90
  6. Step 6: Final answer
    x = 6,263.73

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1.5x scale

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.