Home / 10,249.65-15,383.58-5,322.69

Finding the Fourth Proportional to 10,249.65, 15,383.58 and 5,322.69

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Solution

The fourth proportional to 10,249.65, 15,383.58 and 5,322.69 is: 7,988.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,249.65 : 15,383.58 = 5,322.69 : x
  2. Step 2: Convert to fraction form
    10,249.65/15,383.58 = 5,322.69/x
  3. Step 3: Cross multiply
    10,249.65x = 15,383.58 × 5,322.69
  4. Step 4: Simplify right side
    10,249.65x = 81,882,027.43
  5. Step 5: Solve for x
    x = 81,882,027.43/10,249.65
  6. Step 6: Final answer
    x = 7,988.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.