Home / 7,772.28-11,652.36-2,841.42

Finding the Fourth Proportional to 7,772.28, 11,652.36 and 2,841.42

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Solution

The fourth proportional to 7,772.28, 11,652.36 and 2,841.42 is: 4,259.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,772.28 : 11,652.36 = 2,841.42 : x
  2. Step 2: Convert to fraction form
    7,772.28/11,652.36 = 2,841.42/x
  3. Step 3: Cross multiply
    7,772.28x = 11,652.36 × 2,841.42
  4. Step 4: Simplify right side
    7,772.28x = 33,109,248.75
  5. Step 5: Solve for x
    x = 33,109,248.75/7,772.28
  6. Step 6: Final answer
    x = 4,259.91

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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.