Home / 8,673.22-11,970.15-5,691.58

Finding the Fourth Proportional to 8,673.22, 11,970.15 and 5,691.58

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Solution

The fourth proportional to 8,673.22, 11,970.15 and 5,691.58 is: 7,855.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,673.22 : 11,970.15 = 5,691.58 : x
  2. Step 2: Convert to fraction form
    8,673.22/11,970.15 = 5,691.58/x
  3. Step 3: Cross multiply
    8,673.22x = 11,970.15 × 5,691.58
  4. Step 4: Simplify right side
    8,673.22x = 68,129,066.34
  5. Step 5: Solve for x
    x = 68,129,066.34/8,673.22
  6. Step 6: Final answer
    x = 7,855.11

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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.