Home / 8,960.48-13,436.36-2,719.36

Finding the Fourth Proportional to 8,960.48, 13,436.36 and 2,719.36

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Solution

The fourth proportional to 8,960.48, 13,436.36 and 2,719.36 is: 4,077.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,960.48 : 13,436.36 = 2,719.36 : x
  2. Step 2: Convert to fraction form
    8,960.48/13,436.36 = 2,719.36/x
  3. Step 3: Cross multiply
    8,960.48x = 13,436.36 × 2,719.36
  4. Step 4: Simplify right side
    8,960.48x = 36,538,299.93
  5. Step 5: Solve for x
    x = 36,538,299.93/8,960.48
  6. Step 6: Final answer
    x = 4,077.72

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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.