Home / 10,120.52-15,176.30-3,544.68

Finding the Fourth Proportional to 10,120.52, 15,176.30 and 3,544.68

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Solution

The fourth proportional to 10,120.52, 15,176.30 and 3,544.68 is: 5,315.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,120.52 : 15,176.30 = 3,544.68 : x
  2. Step 2: Convert to fraction form
    10,120.52/15,176.30 = 3,544.68/x
  3. Step 3: Cross multiply
    10,120.52x = 15,176.30 × 3,544.68
  4. Step 4: Simplify right side
    10,120.52x = 53,795,127.08
  5. Step 5: Solve for x
    x = 53,795,127.08/10,120.52
  6. Step 6: Final answer
    x = 5,315.45

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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.