Home / 10,611.15-15,916.56-3,589.66

Finding the Fourth Proportional to 10,611.15, 15,916.56 and 3,589.66

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Solution

The fourth proportional to 10,611.15, 15,916.56 and 3,589.66 is: 5,384.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,611.15 : 15,916.56 = 3,589.66 : x
  2. Step 2: Convert to fraction form
    10,611.15/15,916.56 = 3,589.66/x
  3. Step 3: Cross multiply
    10,611.15x = 15,916.56 × 3,589.66
  4. Step 4: Simplify right side
    10,611.15x = 57,135,038.77
  5. Step 5: Solve for x
    x = 57,135,038.77/10,611.15
  6. Step 6: Final answer
    x = 5,384.43

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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.