Home / 12,365.25-18,548.73-4,969.72

Finding the Fourth Proportional to 12,365.25, 18,548.73 and 4,969.72

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Solution

The fourth proportional to 12,365.25, 18,548.73 and 4,969.72 is: 7,454.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,365.25 : 18,548.73 = 4,969.72 : x
  2. Step 2: Convert to fraction form
    12,365.25/18,548.73 = 4,969.72/x
  3. Step 3: Cross multiply
    12,365.25x = 18,548.73 × 4,969.72
  4. Step 4: Simplify right side
    12,365.25x = 92,181,901.71
  5. Step 5: Solve for x
    x = 92,181,901.71/12,365.25
  6. Step 6: Final answer
    x = 7,454.92

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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.