Home / 8,435.25-11,644.40-5,452.55

Finding the Fourth Proportional to 8,435.25, 11,644.40 and 5,452.55

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Solution

The fourth proportional to 8,435.25, 11,644.40 and 5,452.55 is: 7,526.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,435.25 : 11,644.40 = 5,452.55 : x
  2. Step 2: Convert to fraction form
    8,435.25/11,644.40 = 5,452.55/x
  3. Step 3: Cross multiply
    8,435.25x = 11,644.40 × 5,452.55
  4. Step 4: Simplify right side
    8,435.25x = 63,491,673.22
  5. Step 5: Solve for x
    x = 63,491,673.22/8,435.25
  6. Step 6: Final answer
    x = 7,526.95

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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.