Home / 10,749.22-16,117.59-4,167.70

Finding the Fourth Proportional to 10,749.22, 16,117.59 and 4,167.70

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Solution

The fourth proportional to 10,749.22, 16,117.59 and 4,167.70 is: 6,249.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,749.22 : 16,117.59 = 4,167.70 : x
  2. Step 2: Convert to fraction form
    10,749.22/16,117.59 = 4,167.70/x
  3. Step 3: Cross multiply
    10,749.22x = 16,117.59 × 4,167.70
  4. Step 4: Simplify right side
    10,749.22x = 67,173,239.55
  5. Step 5: Solve for x
    x = 67,173,239.55/10,749.22
  6. Step 6: Final answer
    x = 6,249.13

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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.