Home / 9,249.13-12,764.15-5,270.14

Finding the Fourth Proportional to 9,249.13, 12,764.15 and 5,270.14

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Solution

The fourth proportional to 9,249.13, 12,764.15 and 5,270.14 is: 7,272.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,249.13 : 12,764.15 = 5,270.14 : x
  2. Step 2: Convert to fraction form
    9,249.13/12,764.15 = 5,270.14/x
  3. Step 3: Cross multiply
    9,249.13x = 12,764.15 × 5,270.14
  4. Step 4: Simplify right side
    9,249.13x = 67,268,857.48
  5. Step 5: Solve for x
    x = 67,268,857.48/9,249.13
  6. Step 6: Final answer
    x = 7,272.99

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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.