Home / 7,995.82-11,041.20-5,016.78

Finding the Fourth Proportional to 7,995.82, 11,041.20 and 5,016.78

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Solution

The fourth proportional to 7,995.82, 11,041.20 and 5,016.78 is: 6,927.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,995.82 : 11,041.20 = 5,016.78 : x
  2. Step 2: Convert to fraction form
    7,995.82/11,041.20 = 5,016.78/x
  3. Step 3: Cross multiply
    7,995.82x = 11,041.20 × 5,016.78
  4. Step 4: Simplify right side
    7,995.82x = 55,391,271.34
  5. Step 5: Solve for x
    x = 55,391,271.34/7,995.82
  6. Step 6: Final answer
    x = 6,927.53

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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.