Home / 10,515.92-15,773.88-3,590.42

Finding the Fourth Proportional to 10,515.92, 15,773.88 and 3,590.42

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Solution

The fourth proportional to 10,515.92, 15,773.88 and 3,590.42 is: 5,385.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,515.92 : 15,773.88 = 3,590.42 : x
  2. Step 2: Convert to fraction form
    10,515.92/15,773.88 = 3,590.42/x
  3. Step 3: Cross multiply
    10,515.92x = 15,773.88 × 3,590.42
  4. Step 4: Simplify right side
    10,515.92x = 56,634,854.23
  5. Step 5: Solve for x
    x = 56,634,854.23/10,515.92
  6. Step 6: Final answer
    x = 5,385.63

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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.