Home / 11,432.19-15,775.68-6,395.54

Finding the Fourth Proportional to 11,432.19, 15,775.68 and 6,395.54

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Solution

The fourth proportional to 11,432.19, 15,775.68 and 6,395.54 is: 8,825.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,432.19 : 15,775.68 = 6,395.54 : x
  2. Step 2: Convert to fraction form
    11,432.19/15,775.68 = 6,395.54/x
  3. Step 3: Cross multiply
    11,432.19x = 15,775.68 × 6,395.54
  4. Step 4: Simplify right side
    11,432.19x = 100,893,992.47
  5. Step 5: Solve for x
    x = 100,893,992.47/11,432.19
  6. Step 6: Final answer
    x = 8,825.43

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Find fourth proportional to 11,433.19, 15,777.06 and 6,396.54
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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.