Home / 10,057.05-13,879.56-5,581.26

Finding the Fourth Proportional to 10,057.05, 13,879.56 and 5,581.26

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Solution

The fourth proportional to 10,057.05, 13,879.56 and 5,581.26 is: 7,702.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,057.05 : 13,879.56 = 5,581.26 : x
  2. Step 2: Convert to fraction form
    10,057.05/13,879.56 = 5,581.26/x
  3. Step 3: Cross multiply
    10,057.05x = 13,879.56 × 5,581.26
  4. Step 4: Simplify right side
    10,057.05x = 77,465,433.05
  5. Step 5: Solve for x
    x = 77,465,433.05/10,057.05
  6. Step 6: Final answer
    x = 7,702.60

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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.