Home / 11,454.80-17,182.20-5,608.40

Finding the Fourth Proportional to 11,454.80, 17,182.20 and 5,608.40

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Solution

The fourth proportional to 11,454.80, 17,182.20 and 5,608.40 is: 8,412.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,454.80 : 17,182.20 = 5,608.40 : x
  2. Step 2: Convert to fraction form
    11,454.80/17,182.20 = 5,608.40/x
  3. Step 3: Cross multiply
    11,454.80x = 17,182.20 × 5,608.40
  4. Step 4: Simplify right side
    11,454.80x = 96,364,650.48
  5. Step 5: Solve for x
    x = 96,364,650.48/11,454.80
  6. Step 6: Final answer
    x = 8,412.60

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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.