Home / 12,569.28-18,853.94-5,168.57

Finding the Fourth Proportional to 12,569.28, 18,853.94 and 5,168.57

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Solution

The fourth proportional to 12,569.28, 18,853.94 and 5,168.57 is: 7,752.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,569.28 : 18,853.94 = 5,168.57 : x
  2. Step 2: Convert to fraction form
    12,569.28/18,853.94 = 5,168.57/x
  3. Step 3: Cross multiply
    12,569.28x = 18,853.94 × 5,168.57
  4. Step 4: Simplify right side
    12,569.28x = 97,447,788.55
  5. Step 5: Solve for x
    x = 97,447,788.55/12,569.28
  6. Step 6: Final answer
    x = 7,752.85

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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.