Home / 9,243.12-12,757.73-5,265.21

Finding the Fourth Proportional to 9,243.12, 12,757.73 and 5,265.21

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Solution

The fourth proportional to 9,243.12, 12,757.73 and 5,265.21 is: 7,267.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,243.12 : 12,757.73 = 5,265.21 : x
  2. Step 2: Convert to fraction form
    9,243.12/12,757.73 = 5,265.21/x
  3. Step 3: Cross multiply
    9,243.12x = 12,757.73 × 5,265.21
  4. Step 4: Simplify right side
    9,243.12x = 67,172,101.25
  5. Step 5: Solve for x
    x = 67,172,101.25/9,243.12
  6. Step 6: Final answer
    x = 7,267.25

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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.