Home / 11,810.25-16,297.62-6,432.71

Finding the Fourth Proportional to 11,810.25, 16,297.62 and 6,432.71

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Solution

The fourth proportional to 11,810.25, 16,297.62 and 6,432.71 is: 8,876.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,810.25 : 16,297.62 = 6,432.71 : x
  2. Step 2: Convert to fraction form
    11,810.25/16,297.62 = 6,432.71/x
  3. Step 3: Cross multiply
    11,810.25x = 16,297.62 × 6,432.71
  4. Step 4: Simplify right side
    11,810.25x = 104,837,781.66
  5. Step 5: Solve for x
    x = 104,837,781.66/11,810.25
  6. Step 6: Final answer
    x = 8,876.85

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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.