Home / 12,496.06-18,745.95-4,173.70

Finding the Fourth Proportional to 12,496.06, 18,745.95 and 4,173.70

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Solution

The fourth proportional to 12,496.06, 18,745.95 and 4,173.70 is: 6,261.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,496.06 : 18,745.95 = 4,173.70 : x
  2. Step 2: Convert to fraction form
    12,496.06/18,745.95 = 4,173.70/x
  3. Step 3: Cross multiply
    12,496.06x = 18,745.95 × 4,173.70
  4. Step 4: Simplify right side
    12,496.06x = 78,239,971.52
  5. Step 5: Solve for x
    x = 78,239,971.52/12,496.06
  6. Step 6: Final answer
    x = 6,261.17

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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.