Home / 10,175.44-14,028.32-8,699.21

Finding the Fourth Proportional to 10,175.44, 14,028.32 and 8,699.21

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Solution

The fourth proportional to 10,175.44, 14,028.32 and 8,699.21 is: 11,993.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,175.44 : 14,028.32 = 8,699.21 : x
  2. Step 2: Convert to fraction form
    10,175.44/14,028.32 = 8,699.21/x
  3. Step 3: Cross multiply
    10,175.44x = 14,028.32 × 8,699.21
  4. Step 4: Simplify right side
    10,175.44x = 122,035,258.13
  5. Step 5: Solve for x
    x = 122,035,258.13/10,175.44
  6. Step 6: Final answer
    x = 11,993.12

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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.