Home / 6,618.48-9,133.52-3,634.51

Finding the Fourth Proportional to 6,618.48, 9,133.52 and 3,634.51

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Solution

The fourth proportional to 6,618.48, 9,133.52 and 3,634.51 is: 5,015.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,618.48 : 9,133.52 = 3,634.51 : x
  2. Step 2: Convert to fraction form
    6,618.48/9,133.52 = 3,634.51/x
  3. Step 3: Cross multiply
    6,618.48x = 9,133.52 × 3,634.51
  4. Step 4: Simplify right side
    6,618.48x = 33,195,845.89
  5. Step 5: Solve for x
    x = 33,195,845.89/6,618.48
  6. Step 6: Final answer
    x = 5,015.63

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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.