Home / 7,854.41-11,781.62-2,663.93

Finding the Fourth Proportional to 7,854.41, 11,781.62 and 2,663.93

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Solution

The fourth proportional to 7,854.41, 11,781.62 and 2,663.93 is: 3,995.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,854.41 : 11,781.62 = 2,663.93 : x
  2. Step 2: Convert to fraction form
    7,854.41/11,781.62 = 2,663.93/x
  3. Step 3: Cross multiply
    7,854.41x = 11,781.62 × 2,663.93
  4. Step 4: Simplify right side
    7,854.41x = 31,385,410.97
  5. Step 5: Solve for x
    x = 31,385,410.97/7,854.41
  6. Step 6: Final answer
    x = 3,995.90

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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.