Home / 11,188.06-15,438.61-6,588.11

Finding the Fourth Proportional to 11,188.06, 15,438.61 and 6,588.11

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Solution

The fourth proportional to 11,188.06, 15,438.61 and 6,588.11 is: 9,091.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,188.06 : 15,438.61 = 6,588.11 : x
  2. Step 2: Convert to fraction form
    11,188.06/15,438.61 = 6,588.11/x
  3. Step 3: Cross multiply
    11,188.06x = 15,438.61 × 6,588.11
  4. Step 4: Simplify right side
    11,188.06x = 101,711,260.93
  5. Step 5: Solve for x
    x = 101,711,260.93/11,188.06
  6. Step 6: Final answer
    x = 9,091.05

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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.