Home / 12,841.15-19,260.20-3,480.58

Finding the Fourth Proportional to 12,841.15, 19,260.20 and 3,480.58

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Solution

The fourth proportional to 12,841.15, 19,260.20 and 3,480.58 is: 5,220.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,841.15 : 19,260.20 = 3,480.58 : x
  2. Step 2: Convert to fraction form
    12,841.15/19,260.20 = 3,480.58/x
  3. Step 3: Cross multiply
    12,841.15x = 19,260.20 × 3,480.58
  4. Step 4: Simplify right side
    12,841.15x = 67,036,666.92
  5. Step 5: Solve for x
    x = 67,036,666.92/12,841.15
  6. Step 6: Final answer
    x = 5,220.46

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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.