Home / 11,113.11-16,666.02-3,715.38

Finding the Fourth Proportional to 11,113.11, 16,666.02 and 3,715.38

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Solution

The fourth proportional to 11,113.11, 16,666.02 and 3,715.38 is: 5,571.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,113.11 : 16,666.02 = 3,715.38 : x
  2. Step 2: Convert to fraction form
    11,113.11/16,666.02 = 3,715.38/x
  3. Step 3: Cross multiply
    11,113.11x = 16,666.02 × 3,715.38
  4. Step 4: Simplify right side
    11,113.11x = 61,920,597.39
  5. Step 5: Solve for x
    x = 61,920,597.39/11,113.11
  6. Step 6: Final answer
    x = 5,571.85

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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.