Home / 11,137.35-15,371.60-6,357.27

Finding the Fourth Proportional to 11,137.35, 15,371.60 and 6,357.27

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Solution

The fourth proportional to 11,137.35, 15,371.60 and 6,357.27 is: 8,774.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,137.35 : 15,371.60 = 6,357.27 : x
  2. Step 2: Convert to fraction form
    11,137.35/15,371.60 = 6,357.27/x
  3. Step 3: Cross multiply
    11,137.35x = 15,371.60 × 6,357.27
  4. Step 4: Simplify right side
    11,137.35x = 97,721,379.75
  5. Step 5: Solve for x
    x = 97,721,379.75/11,137.35
  6. Step 6: Final answer
    x = 8,774.20

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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.