Home / 12,525.19-17,296.47-8,056.70

Finding the Fourth Proportional to 12,525.19, 17,296.47 and 8,056.70

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Solution

The fourth proportional to 12,525.19, 17,296.47 and 8,056.70 is: 11,125.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,525.19 : 17,296.47 = 8,056.70 : x
  2. Step 2: Convert to fraction form
    12,525.19/17,296.47 = 8,056.70/x
  3. Step 3: Cross multiply
    12,525.19x = 17,296.47 × 8,056.70
  4. Step 4: Simplify right side
    12,525.19x = 139,352,469.85
  5. Step 5: Solve for x
    x = 139,352,469.85/12,525.19
  6. Step 6: Final answer
    x = 11,125.78

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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.