Home / 10,715.66-16,076.03-4,472.19

Finding the Fourth Proportional to 10,715.66, 16,076.03 and 4,472.19

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Solution

The fourth proportional to 10,715.66, 16,076.03 and 4,472.19 is: 6,709.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,715.66 : 16,076.03 = 4,472.19 : x
  2. Step 2: Convert to fraction form
    10,715.66/16,076.03 = 4,472.19/x
  3. Step 3: Cross multiply
    10,715.66x = 16,076.03 × 4,472.19
  4. Step 4: Simplify right side
    10,715.66x = 71,895,038.24
  5. Step 5: Solve for x
    x = 71,895,038.24/10,715.66
  6. Step 6: Final answer
    x = 6,709.35

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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.