Home / 11,022.84-15,211.55-6,546.78

Finding the Fourth Proportional to 11,022.84, 15,211.55 and 6,546.78

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Solution

The fourth proportional to 11,022.84, 15,211.55 and 6,546.78 is: 9,034.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,022.84 : 15,211.55 = 6,546.78 : x
  2. Step 2: Convert to fraction form
    11,022.84/15,211.55 = 6,546.78/x
  3. Step 3: Cross multiply
    11,022.84x = 15,211.55 × 6,546.78
  4. Step 4: Simplify right side
    11,022.84x = 99,586,638.58
  5. Step 5: Solve for x
    x = 99,586,638.58/11,022.84
  6. Step 6: Final answer
    x = 9,034.57

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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.