Home / 10,882.14-16,328.19-6,448.59

Finding the Fourth Proportional to 10,882.14, 16,328.19 and 6,448.59

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Solution

The fourth proportional to 10,882.14, 16,328.19 and 6,448.59 is: 9,675.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,882.14 : 16,328.19 = 6,448.59 : x
  2. Step 2: Convert to fraction form
    10,882.14/16,328.19 = 6,448.59/x
  3. Step 3: Cross multiply
    10,882.14x = 16,328.19 × 6,448.59
  4. Step 4: Simplify right side
    10,882.14x = 105,293,826.93
  5. Step 5: Solve for x
    x = 105,293,826.93/10,882.14
  6. Step 6: Final answer
    x = 9,675.84

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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.