Home / 7,067.20-10,600.80-5,598.40

Finding the Fourth Proportional to 7,067.20, 10,600.80 and 5,598.40

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Solution

The fourth proportional to 7,067.20, 10,600.80 and 5,598.40 is: 8,397.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,067.20 : 10,600.80 = 5,598.40 : x
  2. Step 2: Convert to fraction form
    7,067.20/10,600.80 = 5,598.40/x
  3. Step 3: Cross multiply
    7,067.20x = 10,600.80 × 5,598.40
  4. Step 4: Simplify right side
    7,067.20x = 59,347,518.72
  5. Step 5: Solve for x
    x = 59,347,518.72/7,067.20
  6. Step 6: Final answer
    x = 8,397.60

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Half scale
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Similar ratio
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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.