Home / 8,549.68-12,829.20-5,947.60

Finding the Fourth Proportional to 8,549.68, 12,829.20 and 5,947.60

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Solution

The fourth proportional to 8,549.68, 12,829.20 and 5,947.60 is: 8,924.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,549.68 : 12,829.20 = 5,947.60 : x
  2. Step 2: Convert to fraction form
    8,549.68/12,829.20 = 5,947.60/x
  3. Step 3: Cross multiply
    8,549.68x = 12,829.20 × 5,947.60
  4. Step 4: Simplify right side
    8,549.68x = 76,302,949.92
  5. Step 5: Solve for x
    x = 76,302,949.92/8,549.68
  6. Step 6: Final answer
    x = 8,924.66

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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.