Home / 11,022.78-15,209.07-6,548.04

Finding the Fourth Proportional to 11,022.78, 15,209.07 and 6,548.04

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Solution

The fourth proportional to 11,022.78, 15,209.07 and 6,548.04 is: 9,034.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,022.78 : 15,209.07 = 6,548.04 : x
  2. Step 2: Convert to fraction form
    11,022.78/15,209.07 = 6,548.04/x
  3. Step 3: Cross multiply
    11,022.78x = 15,209.07 × 6,548.04
  4. Step 4: Simplify right side
    11,022.78x = 99,589,598.72
  5. Step 5: Solve for x
    x = 99,589,598.72/11,022.78
  6. Step 6: Final answer
    x = 9,034.89

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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.