Home / 12,396.93-18,588.98-4,999.38

Finding the Fourth Proportional to 12,396.93, 18,588.98 and 4,999.38

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Solution

The fourth proportional to 12,396.93, 18,588.98 and 4,999.38 is: 7,496.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,396.93 : 18,588.98 = 4,999.38 : x
  2. Step 2: Convert to fraction form
    12,396.93/18,588.98 = 4,999.38/x
  3. Step 3: Cross multiply
    12,396.93x = 18,588.98 × 4,999.38
  4. Step 4: Simplify right side
    12,396.93x = 92,933,349.84
  5. Step 5: Solve for x
    x = 92,933,349.84/12,396.93
  6. Step 6: Final answer
    x = 7,496.48

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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.