Home / 8,248.98-12,371.58-2,700.78

Finding the Fourth Proportional to 8,248.98, 12,371.58 and 2,700.78

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Solution

The fourth proportional to 8,248.98, 12,371.58 and 2,700.78 is: 4,050.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,248.98 : 12,371.58 = 2,700.78 : x
  2. Step 2: Convert to fraction form
    8,248.98/12,371.58 = 2,700.78/x
  3. Step 3: Cross multiply
    8,248.98x = 12,371.58 × 2,700.78
  4. Step 4: Simplify right side
    8,248.98x = 33,412,915.83
  5. Step 5: Solve for x
    x = 33,412,915.83/8,248.98
  6. Step 6: Final answer
    x = 4,050.55

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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.