Home / 13,166.04-18,169.82-7,197.66

Finding the Fourth Proportional to 13,166.04, 18,169.82 and 7,197.66

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Solution

The fourth proportional to 13,166.04, 18,169.82 and 7,197.66 is: 9,933.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,166.04 : 18,169.82 = 7,197.66 : x
  2. Step 2: Convert to fraction form
    13,166.04/18,169.82 = 7,197.66/x
  3. Step 3: Cross multiply
    13,166.04x = 18,169.82 × 7,197.66
  4. Step 4: Simplify right side
    13,166.04x = 130,780,177.62
  5. Step 5: Solve for x
    x = 130,780,177.62/13,166.04
  6. Step 6: Final answer
    x = 9,933.14

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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.