Home / 11,211.48-15,472.80-6,176.64

Finding the Fourth Proportional to 11,211.48, 15,472.80 and 6,176.64

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Solution

The fourth proportional to 11,211.48, 15,472.80 and 6,176.64 is: 8,524.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,211.48 : 15,472.80 = 6,176.64 : x
  2. Step 2: Convert to fraction form
    11,211.48/15,472.80 = 6,176.64/x
  3. Step 3: Cross multiply
    11,211.48x = 15,472.80 × 6,176.64
  4. Step 4: Simplify right side
    11,211.48x = 95,569,915.39
  5. Step 5: Solve for x
    x = 95,569,915.39/11,211.48
  6. Step 6: Final answer
    x = 8,524.29

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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.