Home / 12,841.10-19,261.65-3,605.90

Finding the Fourth Proportional to 12,841.10, 19,261.65 and 3,605.90

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Solution

The fourth proportional to 12,841.10, 19,261.65 and 3,605.90 is: 5,408.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,841.10 : 19,261.65 = 3,605.90 : x
  2. Step 2: Convert to fraction form
    12,841.10/19,261.65 = 3,605.90/x
  3. Step 3: Cross multiply
    12,841.10x = 19,261.65 × 3,605.90
  4. Step 4: Simplify right side
    12,841.10x = 69,455,583.74
  5. Step 5: Solve for x
    x = 69,455,583.74/12,841.10
  6. Step 6: Final answer
    x = 5,408.85

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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.