Home / 9,805.06-13,531.68-5,556.13

Finding the Fourth Proportional to 9,805.06, 13,531.68 and 5,556.13

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Solution

The fourth proportional to 9,805.06, 13,531.68 and 5,556.13 is: 7,667.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,805.06 : 13,531.68 = 5,556.13 : x
  2. Step 2: Convert to fraction form
    9,805.06/13,531.68 = 5,556.13/x
  3. Step 3: Cross multiply
    9,805.06x = 13,531.68 × 5,556.13
  4. Step 4: Simplify right side
    9,805.06x = 75,183,773.20
  5. Step 5: Solve for x
    x = 75,183,773.20/9,805.06
  6. Step 6: Final answer
    x = 7,667.85

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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.