Home / 7,973.15-11,961.86-7,101.62

Finding the Fourth Proportional to 7,973.15, 11,961.86 and 7,101.62

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Solution

The fourth proportional to 7,973.15, 11,961.86 and 7,101.62 is: 10,654.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,973.15 : 11,961.86 = 7,101.62 : x
  2. Step 2: Convert to fraction form
    7,973.15/11,961.86 = 7,101.62/x
  3. Step 3: Cross multiply
    7,973.15x = 11,961.86 × 7,101.62
  4. Step 4: Simplify right side
    7,973.15x = 84,948,488.90
  5. Step 5: Solve for x
    x = 84,948,488.90/7,973.15
  6. Step 6: Final answer
    x = 10,654.33

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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.