Home / 10,512.08-15,767.78-4,270.25

Finding the Fourth Proportional to 10,512.08, 15,767.78 and 4,270.25

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Solution

The fourth proportional to 10,512.08, 15,767.78 and 4,270.25 is: 6,405.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,512.08 : 15,767.78 = 4,270.25 : x
  2. Step 2: Convert to fraction form
    10,512.08/15,767.78 = 4,270.25/x
  3. Step 3: Cross multiply
    10,512.08x = 15,767.78 × 4,270.25
  4. Step 4: Simplify right side
    10,512.08x = 67,332,262.35
  5. Step 5: Solve for x
    x = 67,332,262.35/10,512.08
  6. Step 6: Final answer
    x = 6,405.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.