Home / 10,749.08-16,114-4,173.70

Finding the Fourth Proportional to 10,749.08, 16,114 and 4,173.70

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Solution

The fourth proportional to 10,749.08, 16,114 and 4,173.70 is: 6,256.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,749.08 : 16,114 = 4,173.70 : x
  2. Step 2: Convert to fraction form
    10,749.08/16,114 = 4,173.70/x
  3. Step 3: Cross multiply
    10,749.08x = 16,114 × 4,173.70
  4. Step 4: Simplify right side
    10,749.08x = 67,255,001.80
  5. Step 5: Solve for x
    x = 67,255,001.80/10,749.08
  6. Step 6: Final answer
    x = 6,256.81

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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.