Home / 7,992.92-11,032.77-5,160.35

Finding the Fourth Proportional to 7,992.92, 11,032.77 and 5,160.35

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Solution

The fourth proportional to 7,992.92, 11,032.77 and 5,160.35 is: 7,122.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,992.92 : 11,032.77 = 5,160.35 : x
  2. Step 2: Convert to fraction form
    7,992.92/11,032.77 = 5,160.35/x
  3. Step 3: Cross multiply
    7,992.92x = 11,032.77 × 5,160.35
  4. Step 4: Simplify right side
    7,992.92x = 56,932,954.67
  5. Step 5: Solve for x
    x = 56,932,954.67/7,992.92
  6. Step 6: Final answer
    x = 7,122.92

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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.