Home / 10,199.71-15,266.73-5,262.55

Finding the Fourth Proportional to 10,199.71, 15,266.73 and 5,262.55

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Solution

The fourth proportional to 10,199.71, 15,266.73 and 5,262.55 is: 7,876.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,199.71 : 15,266.73 = 5,262.55 : x
  2. Step 2: Convert to fraction form
    10,199.71/15,266.73 = 5,262.55/x
  3. Step 3: Cross multiply
    10,199.71x = 15,266.73 × 5,262.55
  4. Step 4: Simplify right side
    10,199.71x = 80,341,929.96
  5. Step 5: Solve for x
    x = 80,341,929.96/10,199.71
  6. Step 6: Final answer
    x = 7,876.88

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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.