Home / 9,718.77-13,414.03-6,181.29

Finding the Fourth Proportional to 9,718.77, 13,414.03 and 6,181.29

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Solution

The fourth proportional to 9,718.77, 13,414.03 and 6,181.29 is: 8,531.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,718.77 : 13,414.03 = 6,181.29 : x
  2. Step 2: Convert to fraction form
    9,718.77/13,414.03 = 6,181.29/x
  3. Step 3: Cross multiply
    9,718.77x = 13,414.03 × 6,181.29
  4. Step 4: Simplify right side
    9,718.77x = 82,916,009.50
  5. Step 5: Solve for x
    x = 82,916,009.50/9,718.77
  6. Step 6: Final answer
    x = 8,531.53

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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.