Home / 6,729.09-9,276.41-4,456.62

Finding the Fourth Proportional to 6,729.09, 9,276.41 and 4,456.62

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Solution

The fourth proportional to 6,729.09, 9,276.41 and 4,456.62 is: 6,143.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,729.09 : 9,276.41 = 4,456.62 : x
  2. Step 2: Convert to fraction form
    6,729.09/9,276.41 = 4,456.62/x
  3. Step 3: Cross multiply
    6,729.09x = 9,276.41 × 4,456.62
  4. Step 4: Simplify right side
    6,729.09x = 41,341,478.34
  5. Step 5: Solve for x
    x = 41,341,478.34/6,729.09
  6. Step 6: Final answer
    x = 6,143.69

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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.