Home / 7,870.22-11,806.62-2,324.13

Finding the Fourth Proportional to 7,870.22, 11,806.62 and 2,324.13

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Solution

The fourth proportional to 7,870.22, 11,806.62 and 2,324.13 is: 3,486.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,870.22 : 11,806.62 = 2,324.13 : x
  2. Step 2: Convert to fraction form
    7,870.22/11,806.62 = 2,324.13/x
  3. Step 3: Cross multiply
    7,870.22x = 11,806.62 × 2,324.13
  4. Step 4: Simplify right side
    7,870.22x = 27,440,106.49
  5. Step 5: Solve for x
    x = 27,440,106.49/7,870.22
  6. Step 6: Final answer
    x = 3,486.57

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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.