Home / 11,847.30-16,349.38-6,543.02

Finding the Fourth Proportional to 11,847.30, 16,349.38 and 6,543.02

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Solution

The fourth proportional to 11,847.30, 16,349.38 and 6,543.02 is: 9,029.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,847.30 : 16,349.38 = 6,543.02 : x
  2. Step 2: Convert to fraction form
    11,847.30/16,349.38 = 6,543.02/x
  3. Step 3: Cross multiply
    11,847.30x = 16,349.38 × 6,543.02
  4. Step 4: Simplify right side
    11,847.30x = 106,974,320.33
  5. Step 5: Solve for x
    x = 106,974,320.33/11,847.30
  6. Step 6: Final answer
    x = 9,029.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.