Home / 11,247.24-16,800.75-8,331.24

Finding the Fourth Proportional to 11,247.24, 16,800.75 and 8,331.24

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Solution

The fourth proportional to 11,247.24, 16,800.75 and 8,331.24 is: 12,444.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,247.24 : 16,800.75 = 8,331.24 : x
  2. Step 2: Convert to fraction form
    11,247.24/16,800.75 = 8,331.24/x
  3. Step 3: Cross multiply
    11,247.24x = 16,800.75 × 8,331.24
  4. Step 4: Simplify right side
    11,247.24x = 139,971,080.43
  5. Step 5: Solve for x
    x = 139,971,080.43/11,247.24
  6. Step 6: Final answer
    x = 12,444.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.