Home / 8,749.14-12,077.91-6,236.46

Finding the Fourth Proportional to 8,749.14, 12,077.91 and 6,236.46

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Solution

The fourth proportional to 8,749.14, 12,077.91 and 6,236.46 is: 8,609.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749.14 : 12,077.91 = 6,236.46 : x
  2. Step 2: Convert to fraction form
    8,749.14/12,077.91 = 6,236.46/x
  3. Step 3: Cross multiply
    8,749.14x = 12,077.91 × 6,236.46
  4. Step 4: Simplify right side
    8,749.14x = 75,323,402.60
  5. Step 5: Solve for x
    x = 75,323,402.60/8,749.14
  6. Step 6: Final answer
    x = 8,609.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.