Home / 12,193.09-18,290.27-3,873.76

Finding the Fourth Proportional to 12,193.09, 18,290.27 and 3,873.76

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Solution

The fourth proportional to 12,193.09, 18,290.27 and 3,873.76 is: 5,810.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,193.09 : 18,290.27 = 3,873.76 : x
  2. Step 2: Convert to fraction form
    12,193.09/18,290.27 = 3,873.76/x
  3. Step 3: Cross multiply
    12,193.09x = 18,290.27 × 3,873.76
  4. Step 4: Simplify right side
    12,193.09x = 70,852,116.32
  5. Step 5: Solve for x
    x = 70,852,116.32/12,193.09
  6. Step 6: Final answer
    x = 5,810.84

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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.