Home / 13,273.90-18,310.36-8,297.26

Finding the Fourth Proportional to 13,273.90, 18,310.36 and 8,297.26

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Solution

The fourth proportional to 13,273.90, 18,310.36 and 8,297.26 is: 11,445.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,273.90 : 18,310.36 = 8,297.26 : x
  2. Step 2: Convert to fraction form
    13,273.90/18,310.36 = 8,297.26/x
  3. Step 3: Cross multiply
    13,273.90x = 18,310.36 × 8,297.26
  4. Step 4: Simplify right side
    13,273.90x = 151,925,817.61
  5. Step 5: Solve for x
    x = 151,925,817.61/13,273.90
  6. Step 6: Final answer
    x = 11,445.45

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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.