Home / 10,749.97-16,118.72-4,168.45

Finding the Fourth Proportional to 10,749.97, 16,118.72 and 4,168.45

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Solution

The fourth proportional to 10,749.97, 16,118.72 and 4,168.45 is: 6,250.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,749.97 : 16,118.72 = 4,168.45 : x
  2. Step 2: Convert to fraction form
    10,749.97/16,118.72 = 4,168.45/x
  3. Step 3: Cross multiply
    10,749.97x = 16,118.72 × 4,168.45
  4. Step 4: Simplify right side
    10,749.97x = 67,189,997.79
  5. Step 5: Solve for x
    x = 67,189,997.79/10,749.97
  6. Step 6: Final answer
    x = 6,250.25

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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.