Home / 11,432.32-15,777.29-6,396.57

Finding the Fourth Proportional to 11,432.32, 15,777.29 and 6,396.57

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Solution

The fourth proportional to 11,432.32, 15,777.29 and 6,396.57 is: 8,827.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,432.32 : 15,777.29 = 6,396.57 : x
  2. Step 2: Convert to fraction form
    11,432.32/15,777.29 = 6,396.57/x
  3. Step 3: Cross multiply
    11,432.32x = 15,777.29 × 6,396.57
  4. Step 4: Simplify right side
    11,432.32x = 100,920,539.90
  5. Step 5: Solve for x
    x = 100,920,539.90/11,432.32
  6. Step 6: Final answer
    x = 8,827.65

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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.