Home / 11,091.21-15,305.78-6,055.36

Finding the Fourth Proportional to 11,091.21, 15,305.78 and 6,055.36

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Solution

The fourth proportional to 11,091.21, 15,305.78 and 6,055.36 is: 8,356.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,091.21 : 15,305.78 = 6,055.36 : x
  2. Step 2: Convert to fraction form
    11,091.21/15,305.78 = 6,055.36/x
  3. Step 3: Cross multiply
    11,091.21x = 15,305.78 × 6,055.36
  4. Step 4: Simplify right side
    11,091.21x = 92,681,901.18
  5. Step 5: Solve for x
    x = 92,681,901.18/11,091.21
  6. Step 6: Final answer
    x = 8,356.34

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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.