Home / 7,663.89-11,494.47-2,116.35

Finding the Fourth Proportional to 7,663.89, 11,494.47 and 2,116.35

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Solution

The fourth proportional to 7,663.89, 11,494.47 and 2,116.35 is: 3,174.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,663.89 : 11,494.47 = 2,116.35 : x
  2. Step 2: Convert to fraction form
    7,663.89/11,494.47 = 2,116.35/x
  3. Step 3: Cross multiply
    7,663.89x = 11,494.47 × 2,116.35
  4. Step 4: Simplify right side
    7,663.89x = 24,326,321.58
  5. Step 5: Solve for x
    x = 24,326,321.58/7,663.89
  6. Step 6: Final answer
    x = 3,174.15

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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.