Home / 6,660.93-9,990.28-2,443.31

Finding the Fourth Proportional to 6,660.93, 9,990.28 and 2,443.31

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Solution

The fourth proportional to 6,660.93, 9,990.28 and 2,443.31 is: 3,664.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,660.93 : 9,990.28 = 2,443.31 : x
  2. Step 2: Convert to fraction form
    6,660.93/9,990.28 = 2,443.31/x
  3. Step 3: Cross multiply
    6,660.93x = 9,990.28 × 2,443.31
  4. Step 4: Simplify right side
    6,660.93x = 24,409,338.81
  5. Step 5: Solve for x
    x = 24,409,338.81/6,660.93
  6. Step 6: Final answer
    x = 3,664.55

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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.