Home / 11,326.71-15,630.78-6,222.30

Finding the Fourth Proportional to 11,326.71, 15,630.78 and 6,222.30

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Solution

The fourth proportional to 11,326.71, 15,630.78 and 6,222.30 is: 8,586.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,326.71 : 15,630.78 = 6,222.30 : x
  2. Step 2: Convert to fraction form
    11,326.71/15,630.78 = 6,222.30/x
  3. Step 3: Cross multiply
    11,326.71x = 15,630.78 × 6,222.30
  4. Step 4: Simplify right side
    11,326.71x = 97,259,402.39
  5. Step 5: Solve for x
    x = 97,259,402.39/11,326.71
  6. Step 6: Final answer
    x = 8,586.73

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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.