Home / 12,525.50-17,285.19-6,936.50

Finding the Fourth Proportional to 12,525.50, 17,285.19 and 6,936.50

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Solution

The fourth proportional to 12,525.50, 17,285.19 and 6,936.50 is: 9,572.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,525.50 : 17,285.19 = 6,936.50 : x
  2. Step 2: Convert to fraction form
    12,525.50/17,285.19 = 6,936.50/x
  3. Step 3: Cross multiply
    12,525.50x = 17,285.19 × 6,936.50
  4. Step 4: Simplify right side
    12,525.50x = 119,898,720.44
  5. Step 5: Solve for x
    x = 119,898,720.44/12,525.50
  6. Step 6: Final answer
    x = 9,572.37

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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.