Home / 6,975.48-10,517.99-6,394.30

Finding the Fourth Proportional to 6,975.48, 10,517.99 and 6,394.30

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Solution

The fourth proportional to 6,975.48, 10,517.99 and 6,394.30 is: 9,641.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,975.48 : 10,517.99 = 6,394.30 : x
  2. Step 2: Convert to fraction form
    6,975.48/10,517.99 = 6,394.30/x
  3. Step 3: Cross multiply
    6,975.48x = 10,517.99 × 6,394.30
  4. Step 4: Simplify right side
    6,975.48x = 67,255,183.46
  5. Step 5: Solve for x
    x = 67,255,183.46/6,975.48
  6. Step 6: Final answer
    x = 9,641.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.