Home / 12,335.94-18,503.37-3,570.66

Finding the Fourth Proportional to 12,335.94, 18,503.37 and 3,570.66

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Solution

The fourth proportional to 12,335.94, 18,503.37 and 3,570.66 is: 5,355.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,335.94 : 18,503.37 = 3,570.66 : x
  2. Step 2: Convert to fraction form
    12,335.94/18,503.37 = 3,570.66/x
  3. Step 3: Cross multiply
    12,335.94x = 18,503.37 × 3,570.66
  4. Step 4: Simplify right side
    12,335.94x = 66,069,243.12
  5. Step 5: Solve for x
    x = 66,069,243.12/12,335.94
  6. Step 6: Final answer
    x = 5,355.83

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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.