Home / 11,108.54-16,665.95-4,869.11

Finding the Fourth Proportional to 11,108.54, 16,665.95 and 4,869.11

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Solution

The fourth proportional to 11,108.54, 16,665.95 and 4,869.11 is: 7,305.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,108.54 : 16,665.95 = 4,869.11 : x
  2. Step 2: Convert to fraction form
    11,108.54/16,665.95 = 4,869.11/x
  3. Step 3: Cross multiply
    11,108.54x = 16,665.95 × 4,869.11
  4. Step 4: Simplify right side
    11,108.54x = 81,148,397.64
  5. Step 5: Solve for x
    x = 81,148,397.64/11,108.54
  6. Step 6: Final answer
    x = 7,305.04

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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.