Home / 11,781.51-16,251.96-7,466.70

Finding the Fourth Proportional to 11,781.51, 16,251.96 and 7,466.70

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Solution

The fourth proportional to 11,781.51, 16,251.96 and 7,466.70 is: 10,299.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,781.51 : 16,251.96 = 7,466.70 : x
  2. Step 2: Convert to fraction form
    11,781.51/16,251.96 = 7,466.70/x
  3. Step 3: Cross multiply
    11,781.51x = 16,251.96 × 7,466.70
  4. Step 4: Simplify right side
    11,781.51x = 121,348,509.73
  5. Step 5: Solve for x
    x = 121,348,509.73/11,781.51
  6. Step 6: Final answer
    x = 10,299.91

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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.