Home / 10,159.20-15,225.78-8,837.41

Finding the Fourth Proportional to 10,159.20, 15,225.78 and 8,837.41

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Solution

The fourth proportional to 10,159.20, 15,225.78 and 8,837.41 is: 13,244.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,159.20 : 15,225.78 = 8,837.41 : x
  2. Step 2: Convert to fraction form
    10,159.20/15,225.78 = 8,837.41/x
  3. Step 3: Cross multiply
    10,159.20x = 15,225.78 × 8,837.41
  4. Step 4: Simplify right side
    10,159.20x = 134,556,460.43
  5. Step 5: Solve for x
    x = 134,556,460.43/10,159.20
  6. Step 6: Final answer
    x = 13,244.79

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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.