Home / 9,836.31-13,569.78-6,648.44

Finding the Fourth Proportional to 9,836.31, 13,569.78 and 6,648.44

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Solution

The fourth proportional to 9,836.31, 13,569.78 and 6,648.44 is: 9,171.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,836.31 : 13,569.78 = 6,648.44 : x
  2. Step 2: Convert to fraction form
    9,836.31/13,569.78 = 6,648.44/x
  3. Step 3: Cross multiply
    9,836.31x = 13,569.78 × 6,648.44
  4. Step 4: Simplify right side
    9,836.31x = 90,217,868.14
  5. Step 5: Solve for x
    x = 90,217,868.14/9,836.31
  6. Step 6: Final answer
    x = 9,171.92

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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.