Home / 7,292.11-10,921.75-5,110.58

Finding the Fourth Proportional to 7,292.11, 10,921.75 and 5,110.58

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Solution

The fourth proportional to 7,292.11, 10,921.75 and 5,110.58 is: 7,654.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,292.11 : 10,921.75 = 5,110.58 : x
  2. Step 2: Convert to fraction form
    7,292.11/10,921.75 = 5,110.58/x
  3. Step 3: Cross multiply
    7,292.11x = 10,921.75 × 5,110.58
  4. Step 4: Simplify right side
    7,292.11x = 55,816,409.73
  5. Step 5: Solve for x
    x = 55,816,409.73/7,292.11
  6. Step 6: Final answer
    x = 7,654.36

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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.