Home / 10,329.75-15,488.46-4,090.66

Finding the Fourth Proportional to 10,329.75, 15,488.46 and 4,090.66

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Solution

The fourth proportional to 10,329.75, 15,488.46 and 4,090.66 is: 6,133.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,329.75 : 15,488.46 = 4,090.66 : x
  2. Step 2: Convert to fraction form
    10,329.75/15,488.46 = 4,090.66/x
  3. Step 3: Cross multiply
    10,329.75x = 15,488.46 × 4,090.66
  4. Step 4: Simplify right side
    10,329.75x = 63,358,023.78
  5. Step 5: Solve for x
    x = 63,358,023.78/10,329.75
  6. Step 6: Final answer
    x = 6,133.55

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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.