Home / 7,642.28-11,464.38-2,448.68

Finding the Fourth Proportional to 7,642.28, 11,464.38 and 2,448.68

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Solution

The fourth proportional to 7,642.28, 11,464.38 and 2,448.68 is: 3,673.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,642.28 : 11,464.38 = 2,448.68 : x
  2. Step 2: Convert to fraction form
    7,642.28/11,464.38 = 2,448.68/x
  3. Step 3: Cross multiply
    7,642.28x = 11,464.38 × 2,448.68
  4. Step 4: Simplify right side
    7,642.28x = 28,072,598.02
  5. Step 5: Solve for x
    x = 28,072,598.02/7,642.28
  6. Step 6: Final answer
    x = 3,673.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.