Home / 11,551.30-15,940.86-6,770.17

Finding the Fourth Proportional to 11,551.30, 15,940.86 and 6,770.17

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Solution

The fourth proportional to 11,551.30, 15,940.86 and 6,770.17 is: 9,342.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,551.30 : 15,940.86 = 6,770.17 : x
  2. Step 2: Convert to fraction form
    11,551.30/15,940.86 = 6,770.17/x
  3. Step 3: Cross multiply
    11,551.30x = 15,940.86 × 6,770.17
  4. Step 4: Simplify right side
    11,551.30x = 107,922,332.15
  5. Step 5: Solve for x
    x = 107,922,332.15/11,551.30
  6. Step 6: Final answer
    x = 9,342.87

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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.