Home / 11,087.39-15,300.21-6,608.84

Finding the Fourth Proportional to 11,087.39, 15,300.21 and 6,608.84

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Solution

The fourth proportional to 11,087.39, 15,300.21 and 6,608.84 is: 9,119.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,087.39 : 15,300.21 = 6,608.84 : x
  2. Step 2: Convert to fraction form
    11,087.39/15,300.21 = 6,608.84/x
  3. Step 3: Cross multiply
    11,087.39x = 15,300.21 × 6,608.84
  4. Step 4: Simplify right side
    11,087.39x = 101,116,639.86
  5. Step 5: Solve for x
    x = 101,116,639.86/11,087.39
  6. Step 6: Final answer
    x = 9,119.97

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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.