Home / 7,654.50-11,480.24-2,106.42

Finding the Fourth Proportional to 7,654.50, 11,480.24 and 2,106.42

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Solution

The fourth proportional to 7,654.50, 11,480.24 and 2,106.42 is: 3,159.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,654.50 : 11,480.24 = 2,106.42 : x
  2. Step 2: Convert to fraction form
    7,654.50/11,480.24 = 2,106.42/x
  3. Step 3: Cross multiply
    7,654.50x = 11,480.24 × 2,106.42
  4. Step 4: Simplify right side
    7,654.50x = 24,182,207.14
  5. Step 5: Solve for x
    x = 24,182,207.14/7,654.50
  6. Step 6: Final answer
    x = 3,159.21

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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.