Home / 11,022.86-15,211.32-6,242.12

Finding the Fourth Proportional to 11,022.86, 15,211.32 and 6,242.12

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Solution

The fourth proportional to 11,022.86, 15,211.32 and 6,242.12 is: 8,614.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,022.86 : 15,211.32 = 6,242.12 : x
  2. Step 2: Convert to fraction form
    11,022.86/15,211.32 = 6,242.12/x
  3. Step 3: Cross multiply
    11,022.86x = 15,211.32 × 6,242.12
  4. Step 4: Simplify right side
    11,022.86x = 94,950,884.80
  5. Step 5: Solve for x
    x = 94,950,884.80/11,022.86
  6. Step 6: Final answer
    x = 8,614.00

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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.