Home / 7,354.14-10,148.79-3,996.96

Finding the Fourth Proportional to 7,354.14, 10,148.79 and 3,996.96

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Solution

The fourth proportional to 7,354.14, 10,148.79 and 3,996.96 is: 5,515.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,354.14 : 10,148.79 = 3,996.96 : x
  2. Step 2: Convert to fraction form
    7,354.14/10,148.79 = 3,996.96/x
  3. Step 3: Cross multiply
    7,354.14x = 10,148.79 × 3,996.96
  4. Step 4: Simplify right side
    7,354.14x = 40,564,307.68
  5. Step 5: Solve for x
    x = 40,564,307.68/7,354.14
  6. Step 6: Final answer
    x = 5,515.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.