Home / 8,079.68-12,114.56-4,568.16

Finding the Fourth Proportional to 8,079.68, 12,114.56 and 4,568.16

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Solution

The fourth proportional to 8,079.68, 12,114.56 and 4,568.16 is: 6,849.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,079.68 : 12,114.56 = 4,568.16 : x
  2. Step 2: Convert to fraction form
    8,079.68/12,114.56 = 4,568.16/x
  3. Step 3: Cross multiply
    8,079.68x = 12,114.56 × 4,568.16
  4. Step 4: Simplify right side
    8,079.68x = 55,341,248.41
  5. Step 5: Solve for x
    x = 55,341,248.41/8,079.68
  6. Step 6: Final answer
    x = 6,849.44

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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.