Home / 12,376.54-18,553.44-5,352.16

Finding the Fourth Proportional to 12,376.54, 18,553.44 and 5,352.16

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Solution

The fourth proportional to 12,376.54, 18,553.44 and 5,352.16 is: 8,023.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,376.54 : 18,553.44 = 5,352.16 : x
  2. Step 2: Convert to fraction form
    12,376.54/18,553.44 = 5,352.16/x
  3. Step 3: Cross multiply
    12,376.54x = 18,553.44 × 5,352.16
  4. Step 4: Simplify right side
    12,376.54x = 99,300,979.43
  5. Step 5: Solve for x
    x = 99,300,979.43/12,376.54
  6. Step 6: Final answer
    x = 8,023.32

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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.