Home / 11,133.15-15,363.03-6,656.97

Finding the Fourth Proportional to 11,133.15, 15,363.03 and 6,656.97

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Solution

The fourth proportional to 11,133.15, 15,363.03 and 6,656.97 is: 9,186.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,133.15 : 15,363.03 = 6,656.97 : x
  2. Step 2: Convert to fraction form
    11,133.15/15,363.03 = 6,656.97/x
  3. Step 3: Cross multiply
    11,133.15x = 15,363.03 × 6,656.97
  4. Step 4: Simplify right side
    11,133.15x = 102,271,229.82
  5. Step 5: Solve for x
    x = 102,271,229.82/11,133.15
  6. Step 6: Final answer
    x = 9,186.19

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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.