Home / 11,086.35-15,301.35-6,607.86

Finding the Fourth Proportional to 11,086.35, 15,301.35 and 6,607.86

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Solution

The fourth proportional to 11,086.35, 15,301.35 and 6,607.86 is: 9,120.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,086.35 : 15,301.35 = 6,607.86 : x
  2. Step 2: Convert to fraction form
    11,086.35/15,301.35 = 6,607.86/x
  3. Step 3: Cross multiply
    11,086.35x = 15,301.35 × 6,607.86
  4. Step 4: Simplify right side
    11,086.35x = 101,109,178.61
  5. Step 5: Solve for x
    x = 101,109,178.61/11,086.35
  6. Step 6: Final answer
    x = 9,120.15

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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.