Home / 10,057.62-13,879.66-5,581.66

Finding the Fourth Proportional to 10,057.62, 13,879.66 and 5,581.66

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Solution

The fourth proportional to 10,057.62, 13,879.66 and 5,581.66 is: 7,702.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,057.62 : 13,879.66 = 5,581.66 : x
  2. Step 2: Convert to fraction form
    10,057.62/13,879.66 = 5,581.66/x
  3. Step 3: Cross multiply
    10,057.62x = 13,879.66 × 5,581.66
  4. Step 4: Simplify right side
    10,057.62x = 77,471,473.64
  5. Step 5: Solve for x
    x = 77,471,473.64/10,057.62
  6. Step 6: Final answer
    x = 7,702.77

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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.