Home / 12,236.55-18,356.58-5,664.48

Finding the Fourth Proportional to 12,236.55, 18,356.58 and 5,664.48

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Solution

The fourth proportional to 12,236.55, 18,356.58 and 5,664.48 is: 8,497.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,236.55 : 18,356.58 = 5,664.48 : x
  2. Step 2: Convert to fraction form
    12,236.55/18,356.58 = 5,664.48/x
  3. Step 3: Cross multiply
    12,236.55x = 18,356.58 × 5,664.48
  4. Step 4: Simplify right side
    12,236.55x = 103,980,480.28
  5. Step 5: Solve for x
    x = 103,980,480.28/12,236.55
  6. Step 6: Final answer
    x = 8,497.53

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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.