Home / 11,659.63-16,073.31-8,069.12

Finding the Fourth Proportional to 11,659.63, 16,073.31 and 8,069.12

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Solution

The fourth proportional to 11,659.63, 16,073.31 and 8,069.12 is: 11,123.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,659.63 : 16,073.31 = 8,069.12 : x
  2. Step 2: Convert to fraction form
    11,659.63/16,073.31 = 8,069.12/x
  3. Step 3: Cross multiply
    11,659.63x = 16,073.31 × 8,069.12
  4. Step 4: Simplify right side
    11,659.63x = 129,697,454.66
  5. Step 5: Solve for x
    x = 129,697,454.66/11,659.63
  6. Step 6: Final answer
    x = 11,123.63

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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.