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Finding the Fourth Proportional to 10,611.04, 15,916.14 and 4,369.33

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Solution

The fourth proportional to 10,611.04, 15,916.14 and 4,369.33 is: 6,553.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,611.04 : 15,916.14 = 4,369.33 : x
  2. Step 2: Convert to fraction form
    10,611.04/15,916.14 = 4,369.33/x
  3. Step 3: Cross multiply
    10,611.04x = 15,916.14 × 4,369.33
  4. Step 4: Simplify right side
    10,611.04x = 69,542,867.99
  5. Step 5: Solve for x
    x = 69,542,867.99/10,611.04
  6. Step 6: Final answer
    x = 6,553.82

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1.5x scale

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.