Home / 8,623.12-11,899.44-5,086.48

Finding the Fourth Proportional to 8,623.12, 11,899.44 and 5,086.48

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Solution

The fourth proportional to 8,623.12, 11,899.44 and 5,086.48 is: 7,019.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,623.12 : 11,899.44 = 5,086.48 : x
  2. Step 2: Convert to fraction form
    8,623.12/11,899.44 = 5,086.48/x
  3. Step 3: Cross multiply
    8,623.12x = 11,899.44 × 5,086.48
  4. Step 4: Simplify right side
    8,623.12x = 60,526,263.57
  5. Step 5: Solve for x
    x = 60,526,263.57/8,623.12
  6. Step 6: Final answer
    x = 7,019.07

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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.