Home / 10,392.14-15,587.74-3,817.85

Finding the Fourth Proportional to 10,392.14, 15,587.74 and 3,817.85

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Solution

The fourth proportional to 10,392.14, 15,587.74 and 3,817.85 is: 5,726.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,392.14 : 15,587.74 = 3,817.85 : x
  2. Step 2: Convert to fraction form
    10,392.14/15,587.74 = 3,817.85/x
  3. Step 3: Cross multiply
    10,392.14x = 15,587.74 × 3,817.85
  4. Step 4: Simplify right side
    10,392.14x = 59,511,575.22
  5. Step 5: Solve for x
    x = 59,511,575.22/10,392.14
  6. Step 6: Final answer
    x = 5,726.59

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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.