Home / 7,993.92-11,036.75-5,162.57

Finding the Fourth Proportional to 7,993.92, 11,036.75 and 5,162.57

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Solution

The fourth proportional to 7,993.92, 11,036.75 and 5,162.57 is: 7,127.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,993.92 : 11,036.75 = 5,162.57 : x
  2. Step 2: Convert to fraction form
    7,993.92/11,036.75 = 5,162.57/x
  3. Step 3: Cross multiply
    7,993.92x = 11,036.75 × 5,162.57
  4. Step 4: Simplify right side
    7,993.92x = 56,977,913.45
  5. Step 5: Solve for x
    x = 56,977,913.45/7,993.92
  6. Step 6: Final answer
    x = 7,127.66

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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.