Home / 7,209.14-9,948.65-4,022.73

Finding the Fourth Proportional to 7,209.14, 9,948.65 and 4,022.73

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Solution

The fourth proportional to 7,209.14, 9,948.65 and 4,022.73 is: 5,551.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,209.14 : 9,948.65 = 4,022.73 : x
  2. Step 2: Convert to fraction form
    7,209.14/9,948.65 = 4,022.73/x
  3. Step 3: Cross multiply
    7,209.14x = 9,948.65 × 4,022.73
  4. Step 4: Simplify right side
    7,209.14x = 40,020,712.70
  5. Step 5: Solve for x
    x = 40,020,712.70/7,209.14
  6. Step 6: Final answer
    x = 5,551.39

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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.