Home / 34,778.83-52,172.34-11,078.08

Finding the Fourth Proportional to 34,778.83, 52,172.34 and 11,078.08

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Solution

The fourth proportional to 34,778.83, 52,172.34 and 11,078.08 is: 16,618.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,778.83 : 52,172.34 = 11,078.08 : x
  2. Step 2: Convert to fraction form
    34,778.83/52,172.34 = 11,078.08/x
  3. Step 3: Cross multiply
    34,778.83x = 52,172.34 × 11,078.08
  4. Step 4: Simplify right side
    34,778.83x = 577,969,356.31
  5. Step 5: Solve for x
    x = 577,969,356.31/34,778.83
  6. Step 6: Final answer
    x = 16,618.42

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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.