Home / 7,328.97-10,114.52-4,185.09

Finding the Fourth Proportional to 7,328.97, 10,114.52 and 4,185.09

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Solution

The fourth proportional to 7,328.97, 10,114.52 and 4,185.09 is: 5,775.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328.97 : 10,114.52 = 4,185.09 : x
  2. Step 2: Convert to fraction form
    7,328.97/10,114.52 = 4,185.09/x
  3. Step 3: Cross multiply
    7,328.97x = 10,114.52 × 4,185.09
  4. Step 4: Simplify right side
    7,328.97x = 42,330,155.58
  5. Step 5: Solve for x
    x = 42,330,155.58/7,328.97
  6. Step 6: Final answer
    x = 5,775.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.