Home / 9,243.25-12,757.95-5,266.70

Finding the Fourth Proportional to 9,243.25, 12,757.95 and 5,266.70

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Solution

The fourth proportional to 9,243.25, 12,757.95 and 5,266.70 is: 7,269.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,243.25 : 12,757.95 = 5,266.70 : x
  2. Step 2: Convert to fraction form
    9,243.25/12,757.95 = 5,266.70/x
  3. Step 3: Cross multiply
    9,243.25x = 12,757.95 × 5,266.70
  4. Step 4: Simplify right side
    9,243.25x = 67,192,268.93
  5. Step 5: Solve for x
    x = 67,192,268.93/9,243.25
  6. Step 6: Final answer
    x = 7,269.34

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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.