Home / 10,954.08-15,116.76-5,986.08

Finding the Fourth Proportional to 10,954.08, 15,116.76 and 5,986.08

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Solution

The fourth proportional to 10,954.08, 15,116.76 and 5,986.08 is: 8,260.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,954.08 : 15,116.76 = 5,986.08 : x
  2. Step 2: Convert to fraction form
    10,954.08/15,116.76 = 5,986.08/x
  3. Step 3: Cross multiply
    10,954.08x = 15,116.76 × 5,986.08
  4. Step 4: Simplify right side
    10,954.08x = 90,490,134.70
  5. Step 5: Solve for x
    x = 90,490,134.70/10,954.08
  6. Step 6: Final answer
    x = 8,260.86

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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.