Home / 11,432.41-15,777.33-6,396.32

Finding the Fourth Proportional to 11,432.41, 15,777.33 and 6,396.32

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Solution

The fourth proportional to 11,432.41, 15,777.33 and 6,396.32 is: 8,827.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,432.41 : 15,777.33 = 6,396.32 : x
  2. Step 2: Convert to fraction form
    11,432.41/15,777.33 = 6,396.32/x
  3. Step 3: Cross multiply
    11,432.41x = 15,777.33 × 6,396.32
  4. Step 4: Simplify right side
    11,432.41x = 100,916,890.87
  5. Step 5: Solve for x
    x = 100,916,890.87/11,432.41
  6. Step 6: Final answer
    x = 8,827.27

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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.