Home / 7,993.12-11,030.20-4,456.16

Finding the Fourth Proportional to 7,993.12, 11,030.20 and 4,456.16

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Solution

The fourth proportional to 7,993.12, 11,030.20 and 4,456.16 is: 6,149.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,993.12 : 11,030.20 = 4,456.16 : x
  2. Step 2: Convert to fraction form
    7,993.12/11,030.20 = 4,456.16/x
  3. Step 3: Cross multiply
    7,993.12x = 11,030.20 × 4,456.16
  4. Step 4: Simplify right side
    7,993.12x = 49,152,336.03
  5. Step 5: Solve for x
    x = 49,152,336.03/7,993.12
  6. Step 6: Final answer
    x = 6,149.33

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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.