Home / 11,868.46-17,803.92-4,479.14

Finding the Fourth Proportional to 11,868.46, 17,803.92 and 4,479.14

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Solution

The fourth proportional to 11,868.46, 17,803.92 and 4,479.14 is: 6,719.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,868.46 : 17,803.92 = 4,479.14 : x
  2. Step 2: Convert to fraction form
    11,868.46/17,803.92 = 4,479.14/x
  3. Step 3: Cross multiply
    11,868.46x = 17,803.92 × 4,479.14
  4. Step 4: Simplify right side
    11,868.46x = 79,746,250.23
  5. Step 5: Solve for x
    x = 79,746,250.23/11,868.46
  6. Step 6: Final answer
    x = 6,719.17

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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.