Home / 12,440.84-18,660.97-5,043.32

Finding the Fourth Proportional to 12,440.84, 18,660.97 and 5,043.32

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Solution

The fourth proportional to 12,440.84, 18,660.97 and 5,043.32 is: 7,564.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,440.84 : 18,660.97 = 5,043.32 : x
  2. Step 2: Convert to fraction form
    12,440.84/18,660.97 = 5,043.32/x
  3. Step 3: Cross multiply
    12,440.84x = 18,660.97 × 5,043.32
  4. Step 4: Simplify right side
    12,440.84x = 94,113,243.22
  5. Step 5: Solve for x
    x = 94,113,243.22/12,440.84
  6. Step 6: Final answer
    x = 7,564.86

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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.