Home / 11,065.44-15,243.60-9,297.12

Finding the Fourth Proportional to 11,065.44, 15,243.60 and 9,297.12

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Solution

The fourth proportional to 11,065.44, 15,243.60 and 9,297.12 is: 12,807.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,065.44 : 15,243.60 = 9,297.12 : x
  2. Step 2: Convert to fraction form
    11,065.44/15,243.60 = 9,297.12/x
  3. Step 3: Cross multiply
    11,065.44x = 15,243.60 × 9,297.12
  4. Step 4: Simplify right side
    11,065.44x = 141,721,578.43
  5. Step 5: Solve for x
    x = 141,721,578.43/11,065.44
  6. Step 6: Final answer
    x = 12,807.59

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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.