Home / 8,249.48-11,372.76-6,985.52

Finding the Fourth Proportional to 8,249.48, 11,372.76 and 6,985.52

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Solution

The fourth proportional to 8,249.48, 11,372.76 and 6,985.52 is: 9,630.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,249.48 : 11,372.76 = 6,985.52 : x
  2. Step 2: Convert to fraction form
    8,249.48/11,372.76 = 6,985.52/x
  3. Step 3: Cross multiply
    8,249.48x = 11,372.76 × 6,985.52
  4. Step 4: Simplify right side
    8,249.48x = 79,444,642.44
  5. Step 5: Solve for x
    x = 79,444,642.44/8,249.48
  6. Step 6: Final answer
    x = 9,630.26

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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.