Home / 10,369.09-15,559.13-4,819.60

Finding the Fourth Proportional to 10,369.09, 15,559.13 and 4,819.60

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Solution

The fourth proportional to 10,369.09, 15,559.13 and 4,819.60 is: 7,231.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369.09 : 15,559.13 = 4,819.60 : x
  2. Step 2: Convert to fraction form
    10,369.09/15,559.13 = 4,819.60/x
  3. Step 3: Cross multiply
    10,369.09x = 15,559.13 × 4,819.60
  4. Step 4: Simplify right side
    10,369.09x = 74,988,782.95
  5. Step 5: Solve for x
    x = 74,988,782.95/10,369.09
  6. Step 6: Final answer
    x = 7,231.95

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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.