Home / 11,101.66-15,321.37-6,066.65

Finding the Fourth Proportional to 11,101.66, 15,321.37 and 6,066.65

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Solution

The fourth proportional to 11,101.66, 15,321.37 and 6,066.65 is: 8,372.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,101.66 : 15,321.37 = 6,066.65 : x
  2. Step 2: Convert to fraction form
    11,101.66/15,321.37 = 6,066.65/x
  3. Step 3: Cross multiply
    11,101.66x = 15,321.37 × 6,066.65
  4. Step 4: Simplify right side
    11,101.66x = 92,949,312.05
  5. Step 5: Solve for x
    x = 92,949,312.05/11,101.66
  6. Step 6: Final answer
    x = 8,372.56

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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.