Home / 10,874.68-15,006.54-6,682.12

Finding the Fourth Proportional to 10,874.68, 15,006.54 and 6,682.12

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Solution

The fourth proportional to 10,874.68, 15,006.54 and 6,682.12 is: 9,221.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,874.68 : 15,006.54 = 6,682.12 : x
  2. Step 2: Convert to fraction form
    10,874.68/15,006.54 = 6,682.12/x
  3. Step 3: Cross multiply
    10,874.68x = 15,006.54 × 6,682.12
  4. Step 4: Simplify right side
    10,874.68x = 100,275,501.06
  5. Step 5: Solve for x
    x = 100,275,501.06/10,874.68
  6. Step 6: Final answer
    x = 9,221.01

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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.