Home / 11,869.30-17,807.51-3,549.58

Finding the Fourth Proportional to 11,869.30, 17,807.51 and 3,549.58

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Solution

The fourth proportional to 11,869.30, 17,807.51 and 3,549.58 is: 5,325.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,869.30 : 17,807.51 = 3,549.58 : x
  2. Step 2: Convert to fraction form
    11,869.30/17,807.51 = 3,549.58/x
  3. Step 3: Cross multiply
    11,869.30x = 17,807.51 × 3,549.58
  4. Step 4: Simplify right side
    11,869.30x = 63,209,181.35
  5. Step 5: Solve for x
    x = 63,209,181.35/11,869.30
  6. Step 6: Final answer
    x = 5,325.43

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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.