Home / 12,558.44-17,324.69-7,520.24

Finding the Fourth Proportional to 12,558.44, 17,324.69 and 7,520.24

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Solution

The fourth proportional to 12,558.44, 17,324.69 and 7,520.24 is: 10,374.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,558.44 : 17,324.69 = 7,520.24 : x
  2. Step 2: Convert to fraction form
    12,558.44/17,324.69 = 7,520.24/x
  3. Step 3: Cross multiply
    12,558.44x = 17,324.69 × 7,520.24
  4. Step 4: Simplify right side
    12,558.44x = 130,285,832.44
  5. Step 5: Solve for x
    x = 130,285,832.44/12,558.44
  6. Step 6: Final answer
    x = 10,374.36

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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.