Home / 10,053.93-15,078.86-3,811.80

Finding the Fourth Proportional to 10,053.93, 15,078.86 and 3,811.80

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Solution

The fourth proportional to 10,053.93, 15,078.86 and 3,811.80 is: 5,716.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,053.93 : 15,078.86 = 3,811.80 : x
  2. Step 2: Convert to fraction form
    10,053.93/15,078.86 = 3,811.80/x
  3. Step 3: Cross multiply
    10,053.93x = 15,078.86 × 3,811.80
  4. Step 4: Simplify right side
    10,053.93x = 57,477,579.49
  5. Step 5: Solve for x
    x = 57,477,579.49/10,053.93
  6. Step 6: Final answer
    x = 5,716.93

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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.