Home / 12,168.48-18,252.84-3,848.34

Finding the Fourth Proportional to 12,168.48, 18,252.84 and 3,848.34

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Solution

The fourth proportional to 12,168.48, 18,252.84 and 3,848.34 is: 5,772.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,168.48 : 18,252.84 = 3,848.34 : x
  2. Step 2: Convert to fraction form
    12,168.48/18,252.84 = 3,848.34/x
  3. Step 3: Cross multiply
    12,168.48x = 18,252.84 × 3,848.34
  4. Step 4: Simplify right side
    12,168.48x = 70,243,134.29
  5. Step 5: Solve for x
    x = 70,243,134.29/12,168.48
  6. Step 6: Final answer
    x = 5,772.55

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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.