Home / 11,826.18-17,750.19-5,986.90

Finding the Fourth Proportional to 11,826.18, 17,750.19 and 5,986.90

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Solution

The fourth proportional to 11,826.18, 17,750.19 and 5,986.90 is: 8,985.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,826.18 : 17,750.19 = 5,986.90 : x
  2. Step 2: Convert to fraction form
    11,826.18/17,750.19 = 5,986.90/x
  3. Step 3: Cross multiply
    11,826.18x = 17,750.19 × 5,986.90
  4. Step 4: Simplify right side
    11,826.18x = 106,268,612.51
  5. Step 5: Solve for x
    x = 106,268,612.51/11,826.18
  6. Step 6: Final answer
    x = 8,985.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.