Home / 9,863.39-13,610.96-5,776.44

Finding the Fourth Proportional to 9,863.39, 13,610.96 and 5,776.44

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Solution

The fourth proportional to 9,863.39, 13,610.96 and 5,776.44 is: 7,971.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,863.39 : 13,610.96 = 5,776.44 : x
  2. Step 2: Convert to fraction form
    9,863.39/13,610.96 = 5,776.44/x
  3. Step 3: Cross multiply
    9,863.39x = 13,610.96 × 5,776.44
  4. Step 4: Simplify right side
    9,863.39x = 78,622,864.90
  5. Step 5: Solve for x
    x = 78,622,864.90/9,863.39
  6. Step 6: Final answer
    x = 7,971.18

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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.