Home / 11,836.71-16,334.55-6,531.57

Finding the Fourth Proportional to 11,836.71, 16,334.55 and 6,531.57

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Solution

The fourth proportional to 11,836.71, 16,334.55 and 6,531.57 is: 9,013.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,836.71 : 16,334.55 = 6,531.57 : x
  2. Step 2: Convert to fraction form
    11,836.71/16,334.55 = 6,531.57/x
  3. Step 3: Cross multiply
    11,836.71x = 16,334.55 × 6,531.57
  4. Step 4: Simplify right side
    11,836.71x = 106,690,256.74
  5. Step 5: Solve for x
    x = 106,690,256.74/11,836.71
  6. Step 6: Final answer
    x = 9,013.51

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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.