Home / 10,021.81-15,028.94-4,095.52

Finding the Fourth Proportional to 10,021.81, 15,028.94 and 4,095.52

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Solution

The fourth proportional to 10,021.81, 15,028.94 and 4,095.52 is: 6,141.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,021.81 : 15,028.94 = 4,095.52 : x
  2. Step 2: Convert to fraction form
    10,021.81/15,028.94 = 4,095.52/x
  3. Step 3: Cross multiply
    10,021.81x = 15,028.94 × 4,095.52
  4. Step 4: Simplify right side
    10,021.81x = 61,551,351.68
  5. Step 5: Solve for x
    x = 61,551,351.68/10,021.81
  6. Step 6: Final answer
    x = 6,141.74

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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.