Home / 11,001.87-15,182.64-6,286.32

Finding the Fourth Proportional to 11,001.87, 15,182.64 and 6,286.32

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Solution

The fourth proportional to 11,001.87, 15,182.64 and 6,286.32 is: 8,675.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,001.87 : 15,182.64 = 6,286.32 : x
  2. Step 2: Convert to fraction form
    11,001.87/15,182.64 = 6,286.32/x
  3. Step 3: Cross multiply
    11,001.87x = 15,182.64 × 6,286.32
  4. Step 4: Simplify right side
    11,001.87x = 95,442,933.48
  5. Step 5: Solve for x
    x = 95,442,933.48/11,001.87
  6. Step 6: Final answer
    x = 8,675.16

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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.