Home / 12,192.84-18,275.40-4,795.92

Finding the Fourth Proportional to 12,192.84, 18,275.40 and 4,795.92

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Solution

The fourth proportional to 12,192.84, 18,275.40 and 4,795.92 is: 7,188.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,192.84 : 18,275.40 = 4,795.92 : x
  2. Step 2: Convert to fraction form
    12,192.84/18,275.40 = 4,795.92/x
  3. Step 3: Cross multiply
    12,192.84x = 18,275.40 × 4,795.92
  4. Step 4: Simplify right side
    12,192.84x = 87,647,356.37
  5. Step 5: Solve for x
    x = 87,647,356.37/12,192.84
  6. Step 6: Final answer
    x = 7,188.43

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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.