Home / 11,348.30-17,022.72-4,327.40

Finding the Fourth Proportional to 11,348.30, 17,022.72 and 4,327.40

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Solution

The fourth proportional to 11,348.30, 17,022.72 and 4,327.40 is: 6,491.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,348.30 : 17,022.72 = 4,327.40 : x
  2. Step 2: Convert to fraction form
    11,348.30/17,022.72 = 4,327.40/x
  3. Step 3: Cross multiply
    11,348.30x = 17,022.72 × 4,327.40
  4. Step 4: Simplify right side
    11,348.30x = 73,664,118.53
  5. Step 5: Solve for x
    x = 73,664,118.53/11,348.30
  6. Step 6: Final answer
    x = 6,491.20

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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.