Home / 8,079.22-11,151.30-4,938.04

Finding the Fourth Proportional to 8,079.22, 11,151.30 and 4,938.04

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Solution

The fourth proportional to 8,079.22, 11,151.30 and 4,938.04 is: 6,815.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,079.22 : 11,151.30 = 4,938.04 : x
  2. Step 2: Convert to fraction form
    8,079.22/11,151.30 = 4,938.04/x
  3. Step 3: Cross multiply
    8,079.22x = 11,151.30 × 4,938.04
  4. Step 4: Simplify right side
    8,079.22x = 55,065,565.45
  5. Step 5: Solve for x
    x = 55,065,565.45/8,079.22
  6. Step 6: Final answer
    x = 6,815.70

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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.