Home / 10,397.24-15,595.92-4,157.78

Finding the Fourth Proportional to 10,397.24, 15,595.92 and 4,157.78

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Solution

The fourth proportional to 10,397.24, 15,595.92 and 4,157.78 is: 6,236.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,397.24 : 15,595.92 = 4,157.78 : x
  2. Step 2: Convert to fraction form
    10,397.24/15,595.92 = 4,157.78/x
  3. Step 3: Cross multiply
    10,397.24x = 15,595.92 × 4,157.78
  4. Step 4: Simplify right side
    10,397.24x = 64,844,326.28
  5. Step 5: Solve for x
    x = 64,844,326.28/10,397.24
  6. Step 6: Final answer
    x = 6,236.69

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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.