Home / 12,641.51-18,964.96-4,850.25

Finding the Fourth Proportional to 12,641.51, 18,964.96 and 4,850.25

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Solution

The fourth proportional to 12,641.51, 18,964.96 and 4,850.25 is: 7,276.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,641.51 : 18,964.96 = 4,850.25 : x
  2. Step 2: Convert to fraction form
    12,641.51/18,964.96 = 4,850.25/x
  3. Step 3: Cross multiply
    12,641.51x = 18,964.96 × 4,850.25
  4. Step 4: Simplify right side
    12,641.51x = 91,984,785.11
  5. Step 5: Solve for x
    x = 91,984,785.11/12,641.51
  6. Step 6: Final answer
    x = 7,276.41

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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.