Home / 8,960.60-13,436.55-2,719.49

Finding the Fourth Proportional to 8,960.60, 13,436.55 and 2,719.49

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Solution

The fourth proportional to 8,960.60, 13,436.55 and 2,719.49 is: 4,077.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,960.60 : 13,436.55 = 2,719.49 : x
  2. Step 2: Convert to fraction form
    8,960.60/13,436.55 = 2,719.49/x
  3. Step 3: Cross multiply
    8,960.60x = 13,436.55 × 2,719.49
  4. Step 4: Simplify right side
    8,960.60x = 36,540,496.18
  5. Step 5: Solve for x
    x = 36,540,496.18/8,960.60
  6. Step 6: Final answer
    x = 4,077.91

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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.