Home / 11,622.46-16,039.73-6,518.45

Finding the Fourth Proportional to 11,622.46, 16,039.73 and 6,518.45

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Solution

The fourth proportional to 11,622.46, 16,039.73 and 6,518.45 is: 8,995.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,622.46 : 16,039.73 = 6,518.45 : x
  2. Step 2: Convert to fraction form
    11,622.46/16,039.73 = 6,518.45/x
  3. Step 3: Cross multiply
    11,622.46x = 16,039.73 × 6,518.45
  4. Step 4: Simplify right side
    11,622.46x = 104,554,178.02
  5. Step 5: Solve for x
    x = 104,554,178.02/11,622.46
  6. Step 6: Final answer
    x = 8,995.87

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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.