Home / 10,890.44-15,027.96-6,175.48

Finding the Fourth Proportional to 10,890.44, 15,027.96 and 6,175.48

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Solution

The fourth proportional to 10,890.44, 15,027.96 and 6,175.48 is: 8,521.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,890.44 : 15,027.96 = 6,175.48 : x
  2. Step 2: Convert to fraction form
    10,890.44/15,027.96 = 6,175.48/x
  3. Step 3: Cross multiply
    10,890.44x = 15,027.96 × 6,175.48
  4. Step 4: Simplify right side
    10,890.44x = 92,804,866.42
  5. Step 5: Solve for x
    x = 92,804,866.42/10,890.44
  6. Step 6: Final answer
    x = 8,521.68

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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.