Home / 11,174.17-15,422.25-6,461.32

Finding the Fourth Proportional to 11,174.17, 15,422.25 and 6,461.32

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Solution

The fourth proportional to 11,174.17, 15,422.25 and 6,461.32 is: 8,917.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,174.17 : 15,422.25 = 6,461.32 : x
  2. Step 2: Convert to fraction form
    11,174.17/15,422.25 = 6,461.32/x
  3. Step 3: Cross multiply
    11,174.17x = 15,422.25 × 6,461.32
  4. Step 4: Simplify right side
    11,174.17x = 99,648,092.37
  5. Step 5: Solve for x
    x = 99,648,092.37/11,174.17
  6. Step 6: Final answer
    x = 8,917.72

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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.