Home / 11,250.56-16,858.40-8,474.24

Finding the Fourth Proportional to 11,250.56, 16,858.40 and 8,474.24

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Solution

The fourth proportional to 11,250.56, 16,858.40 and 8,474.24 is: 12,698.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,250.56 : 16,858.40 = 8,474.24 : x
  2. Step 2: Convert to fraction form
    11,250.56/16,858.40 = 8,474.24/x
  3. Step 3: Cross multiply
    11,250.56x = 16,858.40 × 8,474.24
  4. Step 4: Simplify right side
    11,250.56x = 142,862,127.62
  5. Step 5: Solve for x
    x = 142,862,127.62/11,250.56
  6. Step 6: Final answer
    x = 12,698.22

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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.