Home / 8,222.19-12,330.63-2,674.18

Finding the Fourth Proportional to 8,222.19, 12,330.63 and 2,674.18

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Solution

The fourth proportional to 8,222.19, 12,330.63 and 2,674.18 is: 4,010.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,222.19 : 12,330.63 = 2,674.18 : x
  2. Step 2: Convert to fraction form
    8,222.19/12,330.63 = 2,674.18/x
  3. Step 3: Cross multiply
    8,222.19x = 12,330.63 × 2,674.18
  4. Step 4: Simplify right side
    8,222.19x = 32,974,324.13
  5. Step 5: Solve for x
    x = 32,974,324.13/8,222.19
  6. Step 6: Final answer
    x = 4,010.41

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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.