Home / 11,568.30-17,360.55-4,999.20

Finding the Fourth Proportional to 11,568.30, 17,360.55 and 4,999.20

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Solution

The fourth proportional to 11,568.30, 17,360.55 and 4,999.20 is: 7,502.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,568.30 : 17,360.55 = 4,999.20 : x
  2. Step 2: Convert to fraction form
    11,568.30/17,360.55 = 4,999.20/x
  3. Step 3: Cross multiply
    11,568.30x = 17,360.55 × 4,999.20
  4. Step 4: Simplify right side
    11,568.30x = 86,788,861.56
  5. Step 5: Solve for x
    x = 86,788,861.56/11,568.30
  6. Step 6: Final answer
    x = 7,502.30

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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.