Home / 13,190.46-19,793.61-4,869.06

Finding the Fourth Proportional to 13,190.46, 19,793.61 and 4,869.06

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Solution

The fourth proportional to 13,190.46, 19,793.61 and 4,869.06 is: 7,306.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,190.46 : 19,793.61 = 4,869.06 : x
  2. Step 2: Convert to fraction form
    13,190.46/19,793.61 = 4,869.06/x
  3. Step 3: Cross multiply
    13,190.46x = 19,793.61 × 4,869.06
  4. Step 4: Simplify right side
    13,190.46x = 96,376,274.71
  5. Step 5: Solve for x
    x = 96,376,274.71/13,190.46
  6. Step 6: Final answer
    x = 7,306.51

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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.