Home / 9,930.57-13,691.73-7,273.36

Finding the Fourth Proportional to 9,930.57, 13,691.73 and 7,273.36

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Solution

The fourth proportional to 9,930.57, 13,691.73 and 7,273.36 is: 10,028.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,930.57 : 13,691.73 = 7,273.36 : x
  2. Step 2: Convert to fraction form
    9,930.57/13,691.73 = 7,273.36/x
  3. Step 3: Cross multiply
    9,930.57x = 13,691.73 × 7,273.36
  4. Step 4: Simplify right side
    9,930.57x = 99,584,925.70
  5. Step 5: Solve for x
    x = 99,584,925.70/9,930.57
  6. Step 6: Final answer
    x = 10,028.12

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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.