Home / 9,278.59-13,920.15-2,704.84

Finding the Fourth Proportional to 9,278.59, 13,920.15 and 2,704.84

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Solution

The fourth proportional to 9,278.59, 13,920.15 and 2,704.84 is: 4,057.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,278.59 : 13,920.15 = 2,704.84 : x
  2. Step 2: Convert to fraction form
    9,278.59/13,920.15 = 2,704.84/x
  3. Step 3: Cross multiply
    9,278.59x = 13,920.15 × 2,704.84
  4. Step 4: Simplify right side
    9,278.59x = 37,651,778.53
  5. Step 5: Solve for x
    x = 37,651,778.53/9,278.59
  6. Step 6: Final answer
    x = 4,057.92

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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.