Home / 11,360.25-15,677.75-6,647.27

Finding the Fourth Proportional to 11,360.25, 15,677.75 and 6,647.27

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Solution

The fourth proportional to 11,360.25, 15,677.75 and 6,647.27 is: 9,173.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,360.25 : 15,677.75 = 6,647.27 : x
  2. Step 2: Convert to fraction form
    11,360.25/15,677.75 = 6,647.27/x
  3. Step 3: Cross multiply
    11,360.25x = 15,677.75 × 6,647.27
  4. Step 4: Simplify right side
    11,360.25x = 104,214,175.47
  5. Step 5: Solve for x
    x = 104,214,175.47/11,360.25
  6. Step 6: Final answer
    x = 9,173.58

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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.