Home / 10,407.33-15,611-2,616.13

Finding the Fourth Proportional to 10,407.33, 15,611 and 2,616.13

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Solution

The fourth proportional to 10,407.33, 15,611 and 2,616.13 is: 3,924.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,407.33 : 15,611 = 2,616.13 : x
  2. Step 2: Convert to fraction form
    10,407.33/15,611 = 2,616.13/x
  3. Step 3: Cross multiply
    10,407.33x = 15,611 × 2,616.13
  4. Step 4: Simplify right side
    10,407.33x = 40,840,405.43
  5. Step 5: Solve for x
    x = 40,840,405.43/10,407.33
  6. Step 6: Final answer
    x = 3,924.20

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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.