Home / 12,243.28-18,374.14-5,674.06

Finding the Fourth Proportional to 12,243.28, 18,374.14 and 5,674.06

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Solution

The fourth proportional to 12,243.28, 18,374.14 and 5,674.06 is: 8,515.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,243.28 : 18,374.14 = 5,674.06 : x
  2. Step 2: Convert to fraction form
    12,243.28/18,374.14 = 5,674.06/x
  3. Step 3: Cross multiply
    12,243.28x = 18,374.14 × 5,674.06
  4. Step 4: Simplify right side
    12,243.28x = 104,255,972.81
  5. Step 5: Solve for x
    x = 104,255,972.81/12,243.28
  6. Step 6: Final answer
    x = 8,515.36

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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.