Home / 7,945.67-10,964.77-4,409.15

Finding the Fourth Proportional to 7,945.67, 10,964.77 and 4,409.15

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Solution

The fourth proportional to 7,945.67, 10,964.77 and 4,409.15 is: 6,084.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.67 : 10,964.77 = 4,409.15 : x
  2. Step 2: Convert to fraction form
    7,945.67/10,964.77 = 4,409.15/x
  3. Step 3: Cross multiply
    7,945.67x = 10,964.77 × 4,409.15
  4. Step 4: Simplify right side
    7,945.67x = 48,345,249.80
  5. Step 5: Solve for x
    x = 48,345,249.80/7,945.67
  6. Step 6: Final answer
    x = 6,084.48

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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.