Home / 7,147.08-9,863.07-4,003.29

Finding the Fourth Proportional to 7,147.08, 9,863.07 and 4,003.29

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Solution

The fourth proportional to 7,147.08, 9,863.07 and 4,003.29 is: 5,524.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,147.08 : 9,863.07 = 4,003.29 : x
  2. Step 2: Convert to fraction form
    7,147.08/9,863.07 = 4,003.29/x
  3. Step 3: Cross multiply
    7,147.08x = 9,863.07 × 4,003.29
  4. Step 4: Simplify right side
    7,147.08x = 39,484,729.50
  5. Step 5: Solve for x
    x = 39,484,729.50/7,147.08
  6. Step 6: Final answer
    x = 5,524.60

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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.