Home / 10,889.16-15,027.96-6,174.96

Finding the Fourth Proportional to 10,889.16, 15,027.96 and 6,174.96

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Solution

The fourth proportional to 10,889.16, 15,027.96 and 6,174.96 is: 8,521.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,889.16 : 15,027.96 = 6,174.96 : x
  2. Step 2: Convert to fraction form
    10,889.16/15,027.96 = 6,174.96/x
  3. Step 3: Cross multiply
    10,889.16x = 15,027.96 × 6,174.96
  4. Step 4: Simplify right side
    10,889.16x = 92,797,051.88
  5. Step 5: Solve for x
    x = 92,797,051.88/10,889.16
  6. Step 6: Final answer
    x = 8,521.97

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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.