Home / 12,335.41-18,503.07-3,570.31

Finding the Fourth Proportional to 12,335.41, 18,503.07 and 3,570.31

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Solution

The fourth proportional to 12,335.41, 18,503.07 and 3,570.31 is: 5,355.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,335.41 : 18,503.07 = 3,570.31 : x
  2. Step 2: Convert to fraction form
    12,335.41/18,503.07 = 3,570.31/x
  3. Step 3: Cross multiply
    12,335.41x = 18,503.07 × 3,570.31
  4. Step 4: Simplify right side
    12,335.41x = 66,061,695.85
  5. Step 5: Solve for x
    x = 66,061,695.85/12,335.41
  6. Step 6: Final answer
    x = 5,355.45

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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.