Home / 8,799.82-12,143.75-5,263.03

Finding the Fourth Proportional to 8,799.82, 12,143.75 and 5,263.03

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Solution

The fourth proportional to 8,799.82, 12,143.75 and 5,263.03 is: 7,262.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,799.82 : 12,143.75 = 5,263.03 : x
  2. Step 2: Convert to fraction form
    8,799.82/12,143.75 = 5,263.03/x
  3. Step 3: Cross multiply
    8,799.82x = 12,143.75 × 5,263.03
  4. Step 4: Simplify right side
    8,799.82x = 63,912,939.03
  5. Step 5: Solve for x
    x = 63,912,939.03/8,799.82
  6. Step 6: Final answer
    x = 7,262.98

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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.