Home / 10,585.36-15,879.66-2,794.78

Finding the Fourth Proportional to 10,585.36, 15,879.66 and 2,794.78

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Solution

The fourth proportional to 10,585.36, 15,879.66 and 2,794.78 is: 4,192.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,585.36 : 15,879.66 = 2,794.78 : x
  2. Step 2: Convert to fraction form
    10,585.36/15,879.66 = 2,794.78/x
  3. Step 3: Cross multiply
    10,585.36x = 15,879.66 × 2,794.78
  4. Step 4: Simplify right side
    10,585.36x = 44,380,156.17
  5. Step 5: Solve for x
    x = 44,380,156.17/10,585.36
  6. Step 6: Final answer
    x = 4,192.60

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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.