Home / 11,305.10-15,584.65-7,937.66

Finding the Fourth Proportional to 11,305.10, 15,584.65 and 7,937.66

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Solution

The fourth proportional to 11,305.10, 15,584.65 and 7,937.66 is: 10,942.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,305.10 : 15,584.65 = 7,937.66 : x
  2. Step 2: Convert to fraction form
    11,305.10/15,584.65 = 7,937.66/x
  3. Step 3: Cross multiply
    11,305.10x = 15,584.65 × 7,937.66
  4. Step 4: Simplify right side
    11,305.10x = 123,705,652.92
  5. Step 5: Solve for x
    x = 123,705,652.92/11,305.10
  6. Step 6: Final answer
    x = 10,942.46

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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.