Home / 11,690.57-16,132.37-6,654.77

Finding the Fourth Proportional to 11,690.57, 16,132.37 and 6,654.77

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Solution

The fourth proportional to 11,690.57, 16,132.37 and 6,654.77 is: 9,183.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,690.57 : 16,132.37 = 6,654.77 : x
  2. Step 2: Convert to fraction form
    11,690.57/16,132.37 = 6,654.77/x
  3. Step 3: Cross multiply
    11,690.57x = 16,132.37 × 6,654.77
  4. Step 4: Simplify right side
    11,690.57x = 107,357,211.90
  5. Step 5: Solve for x
    x = 107,357,211.90/11,690.57
  6. Step 6: Final answer
    x = 9,183.24

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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.