Home / 11,748.40-17,623.71-4,253.85

Finding the Fourth Proportional to 11,748.40, 17,623.71 and 4,253.85

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Solution

The fourth proportional to 11,748.40, 17,623.71 and 4,253.85 is: 6,381.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,748.40 : 17,623.71 = 4,253.85 : x
  2. Step 2: Convert to fraction form
    11,748.40/17,623.71 = 4,253.85/x
  3. Step 3: Cross multiply
    11,748.40x = 17,623.71 × 4,253.85
  4. Step 4: Simplify right side
    11,748.40x = 74,968,618.78
  5. Step 5: Solve for x
    x = 74,968,618.78/11,748.40
  6. Step 6: Final answer
    x = 6,381.18

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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.