Home / 7,394.91-10,208.73-5,712.54

Finding the Fourth Proportional to 7,394.91, 10,208.73 and 5,712.54

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Solution

The fourth proportional to 7,394.91, 10,208.73 and 5,712.54 is: 7,886.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,394.91 : 10,208.73 = 5,712.54 : x
  2. Step 2: Convert to fraction form
    7,394.91/10,208.73 = 5,712.54/x
  3. Step 3: Cross multiply
    7,394.91x = 10,208.73 × 5,712.54
  4. Step 4: Simplify right side
    7,394.91x = 58,317,778.47
  5. Step 5: Solve for x
    x = 58,317,778.47/7,394.91
  6. Step 6: Final answer
    x = 7,886.21

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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.