Home / 10,066.25-13,891.43-5,590.73

Finding the Fourth Proportional to 10,066.25, 13,891.43 and 5,590.73

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Solution

The fourth proportional to 10,066.25, 13,891.43 and 5,590.73 is: 7,715.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,066.25 : 13,891.43 = 5,590.73 : x
  2. Step 2: Convert to fraction form
    10,066.25/13,891.43 = 5,590.73/x
  3. Step 3: Cross multiply
    10,066.25x = 13,891.43 × 5,590.73
  4. Step 4: Simplify right side
    10,066.25x = 77,663,234.44
  5. Step 5: Solve for x
    x = 77,663,234.44/10,066.25
  6. Step 6: Final answer
    x = 7,715.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.