Home / 9,354.26-12,909.58-5,375.54

Finding the Fourth Proportional to 9,354.26, 12,909.58 and 5,375.54

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Solution

The fourth proportional to 9,354.26, 12,909.58 and 5,375.54 is: 7,418.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,354.26 : 12,909.58 = 5,375.54 : x
  2. Step 2: Convert to fraction form
    9,354.26/12,909.58 = 5,375.54/x
  3. Step 3: Cross multiply
    9,354.26x = 12,909.58 × 5,375.54
  4. Step 4: Simplify right side
    9,354.26x = 69,395,963.67
  5. Step 5: Solve for x
    x = 69,395,963.67/9,354.26
  6. Step 6: Final answer
    x = 7,418.65

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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.