Home / 7,806.44-10,771.28-4,618.16

Finding the Fourth Proportional to 7,806.44, 10,771.28 and 4,618.16

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Solution

The fourth proportional to 7,806.44, 10,771.28 and 4,618.16 is: 6,372.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,806.44 : 10,771.28 = 4,618.16 : x
  2. Step 2: Convert to fraction form
    7,806.44/10,771.28 = 4,618.16/x
  3. Step 3: Cross multiply
    7,806.44x = 10,771.28 × 4,618.16
  4. Step 4: Simplify right side
    7,806.44x = 49,743,417.50
  5. Step 5: Solve for x
    x = 49,743,417.50/7,806.44
  6. Step 6: Final answer
    x = 6,372.10

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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.