Home / 8,082.09-12,141.51-6,974.94

Finding the Fourth Proportional to 8,082.09, 12,141.51 and 6,974.94

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Solution

The fourth proportional to 8,082.09, 12,141.51 and 6,974.94 is: 10,478.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,082.09 : 12,141.51 = 6,974.94 : x
  2. Step 2: Convert to fraction form
    8,082.09/12,141.51 = 6,974.94/x
  3. Step 3: Cross multiply
    8,082.09x = 12,141.51 × 6,974.94
  4. Step 4: Simplify right side
    8,082.09x = 84,686,303.76
  5. Step 5: Solve for x
    x = 84,686,303.76/8,082.09
  6. Step 6: Final answer
    x = 10,478.27

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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.