Home / 12,089.40-18,132.71-5,844.17

Finding the Fourth Proportional to 12,089.40, 18,132.71 and 5,844.17

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Solution

The fourth proportional to 12,089.40, 18,132.71 and 5,844.17 is: 8,765.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089.40 : 18,132.71 = 5,844.17 : x
  2. Step 2: Convert to fraction form
    12,089.40/18,132.71 = 5,844.17/x
  3. Step 3: Cross multiply
    12,089.40x = 18,132.71 × 5,844.17
  4. Step 4: Simplify right side
    12,089.40x = 105,970,519.92
  5. Step 5: Solve for x
    x = 105,970,519.92/12,089.40
  6. Step 6: Final answer
    x = 8,765.57

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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.