Home / 9,231.56-12,740.28-5,252.84

Finding the Fourth Proportional to 9,231.56, 12,740.28 and 5,252.84

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Solution

The fourth proportional to 9,231.56, 12,740.28 and 5,252.84 is: 7,249.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,231.56 : 12,740.28 = 5,252.84 : x
  2. Step 2: Convert to fraction form
    9,231.56/12,740.28 = 5,252.84/x
  3. Step 3: Cross multiply
    9,231.56x = 12,740.28 × 5,252.84
  4. Step 4: Simplify right side
    9,231.56x = 66,922,652.40
  5. Step 5: Solve for x
    x = 66,922,652.40/9,231.56
  6. Step 6: Final answer
    x = 7,249.33

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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.