Home / 10,029.78-15,039.14-4,110.84

Finding the Fourth Proportional to 10,029.78, 15,039.14 and 4,110.84

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Solution

The fourth proportional to 10,029.78, 15,039.14 and 4,110.84 is: 6,163.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,029.78 : 15,039.14 = 4,110.84 : x
  2. Step 2: Convert to fraction form
    10,029.78/15,039.14 = 4,110.84/x
  3. Step 3: Cross multiply
    10,029.78x = 15,039.14 × 4,110.84
  4. Step 4: Simplify right side
    10,029.78x = 61,823,477.72
  5. Step 5: Solve for x
    x = 61,823,477.72/10,029.78
  6. Step 6: Final answer
    x = 6,163.99

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1.5x scale

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.