Home / 11,086.61-15,299.69-6,612.93

Finding the Fourth Proportional to 11,086.61, 15,299.69 and 6,612.93

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Solution

The fourth proportional to 11,086.61, 15,299.69 and 6,612.93 is: 9,125.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,086.61 : 15,299.69 = 6,612.93 : x
  2. Step 2: Convert to fraction form
    11,086.61/15,299.69 = 6,612.93/x
  3. Step 3: Cross multiply
    11,086.61x = 15,299.69 × 6,612.93
  4. Step 4: Simplify right side
    11,086.61x = 101,175,745.93
  5. Step 5: Solve for x
    x = 101,175,745.93/11,086.61
  6. Step 6: Final answer
    x = 9,125.94

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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.