Home / 13,244.07-18,278.27-8,468.38

Finding the Fourth Proportional to 13,244.07, 18,278.27 and 8,468.38

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Solution

The fourth proportional to 13,244.07, 18,278.27 and 8,468.38 is: 11,687.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,244.07 : 18,278.27 = 8,468.38 : x
  2. Step 2: Convert to fraction form
    13,244.07/18,278.27 = 8,468.38/x
  3. Step 3: Cross multiply
    13,244.07x = 18,278.27 × 8,468.38
  4. Step 4: Simplify right side
    13,244.07x = 154,787,396.00
  5. Step 5: Solve for x
    x = 154,787,396.00/13,244.07
  6. Step 6: Final answer
    x = 11,687.29

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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.