Home / 10,454.97-15,682.38-2,557.53

Finding the Fourth Proportional to 10,454.97, 15,682.38 and 2,557.53

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Solution

The fourth proportional to 10,454.97, 15,682.38 and 2,557.53 is: 3,836.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,454.97 : 15,682.38 = 2,557.53 : x
  2. Step 2: Convert to fraction form
    10,454.97/15,682.38 = 2,557.53/x
  3. Step 3: Cross multiply
    10,454.97x = 15,682.38 × 2,557.53
  4. Step 4: Simplify right side
    10,454.97x = 40,108,157.32
  5. Step 5: Solve for x
    x = 40,108,157.32/10,454.97
  6. Step 6: Final answer
    x = 3,836.28

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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.