Home / 12,500.54-17,250.23-7,399.37

Finding the Fourth Proportional to 12,500.54, 17,250.23 and 7,399.37

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Solution

The fourth proportional to 12,500.54, 17,250.23 and 7,399.37 is: 10,210.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,500.54 : 17,250.23 = 7,399.37 : x
  2. Step 2: Convert to fraction form
    12,500.54/17,250.23 = 7,399.37/x
  3. Step 3: Cross multiply
    12,500.54x = 17,250.23 × 7,399.37
  4. Step 4: Simplify right side
    12,500.54x = 127,640,798.95
  5. Step 5: Solve for x
    x = 127,640,798.95/12,500.54
  6. Step 6: Final answer
    x = 10,210.82

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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.