Home / 11,748.46-16,211.58-6,443.23

Finding the Fourth Proportional to 11,748.46, 16,211.58 and 6,443.23

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Solution

The fourth proportional to 11,748.46, 16,211.58 and 6,443.23 is: 8,890.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,748.46 : 16,211.58 = 6,443.23 : x
  2. Step 2: Convert to fraction form
    11,748.46/16,211.58 = 6,443.23/x
  3. Step 3: Cross multiply
    11,748.46x = 16,211.58 × 6,443.23
  4. Step 4: Simplify right side
    11,748.46x = 104,454,938.60
  5. Step 5: Solve for x
    x = 104,454,938.60/11,748.46
  6. Step 6: Final answer
    x = 8,890.95

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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.