Home / 8,474.26-11,687.22-5,116.36

Finding the Fourth Proportional to 8,474.26, 11,687.22 and 5,116.36

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Solution

The fourth proportional to 8,474.26, 11,687.22 and 5,116.36 is: 7,056.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,474.26 : 11,687.22 = 5,116.36 : x
  2. Step 2: Convert to fraction form
    8,474.26/11,687.22 = 5,116.36/x
  3. Step 3: Cross multiply
    8,474.26x = 11,687.22 × 5,116.36
  4. Step 4: Simplify right side
    8,474.26x = 59,796,024.92
  5. Step 5: Solve for x
    x = 59,796,024.92/8,474.26
  6. Step 6: Final answer
    x = 7,056.19

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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.