Home / 10,257.25-14,147.98-6,280.33

Finding the Fourth Proportional to 10,257.25, 14,147.98 and 6,280.33

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Solution

The fourth proportional to 10,257.25, 14,147.98 and 6,280.33 is: 8,662.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,257.25 : 14,147.98 = 6,280.33 : x
  2. Step 2: Convert to fraction form
    10,257.25/14,147.98 = 6,280.33/x
  3. Step 3: Cross multiply
    10,257.25x = 14,147.98 × 6,280.33
  4. Step 4: Simplify right side
    10,257.25x = 88,853,947.86
  5. Step 5: Solve for x
    x = 88,853,947.86/10,257.25
  6. Step 6: Final answer
    x = 8,662.55

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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.