Home / 8,749.52-12,073.88-4,972.18

Finding the Fourth Proportional to 8,749.52, 12,073.88 and 4,972.18

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Solution

The fourth proportional to 8,749.52, 12,073.88 and 4,972.18 is: 6,861.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749.52 : 12,073.88 = 4,972.18 : x
  2. Step 2: Convert to fraction form
    8,749.52/12,073.88 = 4,972.18/x
  3. Step 3: Cross multiply
    8,749.52x = 12,073.88 × 4,972.18
  4. Step 4: Simplify right side
    8,749.52x = 60,033,504.66
  5. Step 5: Solve for x
    x = 60,033,504.66/8,749.52
  6. Step 6: Final answer
    x = 6,861.35

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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.