Home / 10,360.62-15,525.81-5,159.34

Finding the Fourth Proportional to 10,360.62, 15,525.81 and 5,159.34

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Solution

The fourth proportional to 10,360.62, 15,525.81 and 5,159.34 is: 7,731.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,360.62 : 15,525.81 = 5,159.34 : x
  2. Step 2: Convert to fraction form
    10,360.62/15,525.81 = 5,159.34/x
  3. Step 3: Cross multiply
    10,360.62x = 15,525.81 × 5,159.34
  4. Step 4: Simplify right side
    10,360.62x = 80,102,932.57
  5. Step 5: Solve for x
    x = 80,102,932.57/10,360.62
  6. Step 6: Final answer
    x = 7,731.48

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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.