Home / 12,531.11-18,783.70-5,952.29

Finding the Fourth Proportional to 12,531.11, 18,783.70 and 5,952.29

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Solution

The fourth proportional to 12,531.11, 18,783.70 and 5,952.29 is: 8,922.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,531.11 : 18,783.70 = 5,952.29 : x
  2. Step 2: Convert to fraction form
    12,531.11/18,783.70 = 5,952.29/x
  3. Step 3: Cross multiply
    12,531.11x = 18,783.70 × 5,952.29
  4. Step 4: Simplify right side
    12,531.11x = 111,805,920.87
  5. Step 5: Solve for x
    x = 111,805,920.87/12,531.11
  6. Step 6: Final answer
    x = 8,922.27

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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.