Home / 12,722.06-19,080.90-3,362.18

Finding the Fourth Proportional to 12,722.06, 19,080.90 and 3,362.18

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Solution

The fourth proportional to 12,722.06, 19,080.90 and 3,362.18 is: 5,042.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,722.06 : 19,080.90 = 3,362.18 : x
  2. Step 2: Convert to fraction form
    12,722.06/19,080.90 = 3,362.18/x
  3. Step 3: Cross multiply
    12,722.06x = 19,080.90 × 3,362.18
  4. Step 4: Simplify right side
    12,722.06x = 64,153,420.36
  5. Step 5: Solve for x
    x = 64,153,420.36/12,722.06
  6. Step 6: Final answer
    x = 5,042.69

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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.