Home / 11,857.61-17,787.11-4,462.13

Finding the Fourth Proportional to 11,857.61, 17,787.11 and 4,462.13

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Solution

The fourth proportional to 11,857.61, 17,787.11 and 4,462.13 is: 6,693.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,857.61 : 17,787.11 = 4,462.13 : x
  2. Step 2: Convert to fraction form
    11,857.61/17,787.11 = 4,462.13/x
  3. Step 3: Cross multiply
    11,857.61x = 17,787.11 × 4,462.13
  4. Step 4: Simplify right side
    11,857.61x = 79,368,441.61
  5. Step 5: Solve for x
    x = 79,368,441.61/11,857.61
  6. Step 6: Final answer
    x = 6,693.46

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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.