Home / 10,057.74-13,879.77-5,581.86

Finding the Fourth Proportional to 10,057.74, 13,879.77 and 5,581.86

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Solution

The fourth proportional to 10,057.74, 13,879.77 and 5,581.86 is: 7,703.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,057.74 : 13,879.77 = 5,581.86 : x
  2. Step 2: Convert to fraction form
    10,057.74/13,879.77 = 5,581.86/x
  3. Step 3: Cross multiply
    10,057.74x = 13,879.77 × 5,581.86
  4. Step 4: Simplify right side
    10,057.74x = 77,474,932.97
  5. Step 5: Solve for x
    x = 77,474,932.97/10,057.74
  6. Step 6: Final answer
    x = 7,703.02

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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.