Home / 7,790.26-11,671.34-4,276.48

Finding the Fourth Proportional to 7,790.26, 11,671.34 and 4,276.48

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Solution

The fourth proportional to 7,790.26, 11,671.34 and 4,276.48 is: 6,407.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,790.26 : 11,671.34 = 4,276.48 : x
  2. Step 2: Convert to fraction form
    7,790.26/11,671.34 = 4,276.48/x
  3. Step 3: Cross multiply
    7,790.26x = 11,671.34 × 4,276.48
  4. Step 4: Simplify right side
    7,790.26x = 49,912,252.08
  5. Step 5: Solve for x
    x = 49,912,252.08/7,790.26
  6. Step 6: Final answer
    x = 6,407.01

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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.