Home / 12,399.76-18,592.44-4,998.16

Finding the Fourth Proportional to 12,399.76, 18,592.44 and 4,998.16

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Solution

The fourth proportional to 12,399.76, 18,592.44 and 4,998.16 is: 7,494.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,399.76 : 18,592.44 = 4,998.16 : x
  2. Step 2: Convert to fraction form
    12,399.76/18,592.44 = 4,998.16/x
  3. Step 3: Cross multiply
    12,399.76x = 18,592.44 × 4,998.16
  4. Step 4: Simplify right side
    12,399.76x = 92,927,989.91
  5. Step 5: Solve for x
    x = 92,927,989.91/12,399.76
  6. Step 6: Final answer
    x = 7,494.34

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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.