Home / 12,366.45-18,542.73-5,342.07

Finding the Fourth Proportional to 12,366.45, 18,542.73 and 5,342.07

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Solution

The fourth proportional to 12,366.45, 18,542.73 and 5,342.07 is: 8,010.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,366.45 : 18,542.73 = 5,342.07 : x
  2. Step 2: Convert to fraction form
    12,366.45/18,542.73 = 5,342.07/x
  3. Step 3: Cross multiply
    12,366.45x = 18,542.73 × 5,342.07
  4. Step 4: Simplify right side
    12,366.45x = 99,056,608.01
  5. Step 5: Solve for x
    x = 99,056,608.01/12,366.45
  6. Step 6: Final answer
    x = 8,010.11

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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.