Home / 11,631.42-17,444.51-3,311.25

Finding the Fourth Proportional to 11,631.42, 17,444.51 and 3,311.25

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Solution

The fourth proportional to 11,631.42, 17,444.51 and 3,311.25 is: 4,966.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,631.42 : 17,444.51 = 3,311.25 : x
  2. Step 2: Convert to fraction form
    11,631.42/17,444.51 = 3,311.25/x
  3. Step 3: Cross multiply
    11,631.42x = 17,444.51 × 3,311.25
  4. Step 4: Simplify right side
    11,631.42x = 57,763,177.35
  5. Step 5: Solve for x
    x = 57,763,177.35/11,631.42
  6. Step 6: Final answer
    x = 4,966.13

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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.