Home / 7,631.46-11,428.86-4,849.41

Finding the Fourth Proportional to 7,631.46, 11,428.86 and 4,849.41

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Solution

The fourth proportional to 7,631.46, 11,428.86 and 4,849.41 is: 7,262.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,631.46 : 11,428.86 = 4,849.41 : x
  2. Step 2: Convert to fraction form
    7,631.46/11,428.86 = 4,849.41/x
  3. Step 3: Cross multiply
    7,631.46x = 11,428.86 × 4,849.41
  4. Step 4: Simplify right side
    7,631.46x = 55,423,227.97
  5. Step 5: Solve for x
    x = 55,423,227.97/7,631.46
  6. Step 6: Final answer
    x = 7,262.47

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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.