Home / 11,432.24-15,775.80-7,241.84

Finding the Fourth Proportional to 11,432.24, 15,775.80 and 7,241.84

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Solution

The fourth proportional to 11,432.24, 15,775.80 and 7,241.84 is: 9,993.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,432.24 : 15,775.80 = 7,241.84 : x
  2. Step 2: Convert to fraction form
    11,432.24/15,775.80 = 7,241.84/x
  3. Step 3: Cross multiply
    11,432.24x = 15,775.80 × 7,241.84
  4. Step 4: Simplify right side
    11,432.24x = 114,245,819.47
  5. Step 5: Solve for x
    x = 114,245,819.47/11,432.24
  6. Step 6: Final answer
    x = 9,993.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.