Home / 10,028.86-13,839.64-5,552.51

Finding the Fourth Proportional to 10,028.86, 13,839.64 and 5,552.51

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Solution

The fourth proportional to 10,028.86, 13,839.64 and 5,552.51 is: 7,662.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,028.86 : 13,839.64 = 5,552.51 : x
  2. Step 2: Convert to fraction form
    10,028.86/13,839.64 = 5,552.51/x
  3. Step 3: Cross multiply
    10,028.86x = 13,839.64 × 5,552.51
  4. Step 4: Simplify right side
    10,028.86x = 76,844,656.42
  5. Step 5: Solve for x
    x = 76,844,656.42/10,028.86
  6. Step 6: Final answer
    x = 7,662.35

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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.