Home / 11,310.92-15,608.76-6,275.12

Finding the Fourth Proportional to 11,310.92, 15,608.76 and 6,275.12

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Solution

The fourth proportional to 11,310.92, 15,608.76 and 6,275.12 is: 8,659.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,310.92 : 15,608.76 = 6,275.12 : x
  2. Step 2: Convert to fraction form
    11,310.92/15,608.76 = 6,275.12/x
  3. Step 3: Cross multiply
    11,310.92x = 15,608.76 × 6,275.12
  4. Step 4: Simplify right side
    11,310.92x = 97,946,842.05
  5. Step 5: Solve for x
    x = 97,946,842.05/11,310.92
  6. Step 6: Final answer
    x = 8,659.49

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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.