Home / 9,976.30-13,767.38-5,500.21

Finding the Fourth Proportional to 9,976.30, 13,767.38 and 5,500.21

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Solution

The fourth proportional to 9,976.30, 13,767.38 and 5,500.21 is: 7,590.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,976.30 : 13,767.38 = 5,500.21 : x
  2. Step 2: Convert to fraction form
    9,976.30/13,767.38 = 5,500.21/x
  3. Step 3: Cross multiply
    9,976.30x = 13,767.38 × 5,500.21
  4. Step 4: Simplify right side
    9,976.30x = 75,723,412.31
  5. Step 5: Solve for x
    x = 75,723,412.31/9,976.30
  6. Step 6: Final answer
    x = 7,590.33

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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.