Home / 10,645.76-15,974.58-4,410.38

Finding the Fourth Proportional to 10,645.76, 15,974.58 and 4,410.38

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Solution

The fourth proportional to 10,645.76, 15,974.58 and 4,410.38 is: 6,618.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,645.76 : 15,974.58 = 4,410.38 : x
  2. Step 2: Convert to fraction form
    10,645.76/15,974.58 = 4,410.38/x
  3. Step 3: Cross multiply
    10,645.76x = 15,974.58 × 4,410.38
  4. Step 4: Simplify right side
    10,645.76x = 70,453,968.14
  5. Step 5: Solve for x
    x = 70,453,968.14/10,645.76
  6. Step 6: Final answer
    x = 6,618.03

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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.