Home / 10,955.24-15,118.18-5,986.92

Finding the Fourth Proportional to 10,955.24, 15,118.18 and 5,986.92

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Solution

The fourth proportional to 10,955.24, 15,118.18 and 5,986.92 is: 8,261.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,955.24 : 15,118.18 = 5,986.92 : x
  2. Step 2: Convert to fraction form
    10,955.24/15,118.18 = 5,986.92/x
  3. Step 3: Cross multiply
    10,955.24x = 15,118.18 × 5,986.92
  4. Step 4: Simplify right side
    10,955.24x = 90,511,334.21
  5. Step 5: Solve for x
    x = 90,511,334.21/10,955.24
  6. Step 6: Final answer
    x = 8,261.92

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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.