Home / 8,218.54-11,346.65-5,350.02

Finding the Fourth Proportional to 8,218.54, 11,346.65 and 5,350.02

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Solution

The fourth proportional to 8,218.54, 11,346.65 and 5,350.02 is: 7,386.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,218.54 : 11,346.65 = 5,350.02 : x
  2. Step 2: Convert to fraction form
    8,218.54/11,346.65 = 5,350.02/x
  3. Step 3: Cross multiply
    8,218.54x = 11,346.65 × 5,350.02
  4. Step 4: Simplify right side
    8,218.54x = 60,704,804.43
  5. Step 5: Solve for x
    x = 60,704,804.43/8,218.54
  6. Step 6: Final answer
    x = 7,386.32

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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.