Home / 11,091.50-15,306.28-6,123.50

Finding the Fourth Proportional to 11,091.50, 15,306.28 and 6,123.50

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Solution

The fourth proportional to 11,091.50, 15,306.28 and 6,123.50 is: 8,450.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,091.50 : 15,306.28 = 6,123.50 : x
  2. Step 2: Convert to fraction form
    11,091.50/15,306.28 = 6,123.50/x
  3. Step 3: Cross multiply
    11,091.50x = 15,306.28 × 6,123.50
  4. Step 4: Simplify right side
    11,091.50x = 93,728,005.58
  5. Step 5: Solve for x
    x = 93,728,005.58/11,091.50
  6. Step 6: Final answer
    x = 8,450.44

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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.