Home / 12,722.97-19,077.53-4,402.30

Finding the Fourth Proportional to 12,722.97, 19,077.53 and 4,402.30

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Solution

The fourth proportional to 12,722.97, 19,077.53 and 4,402.30 is: 6,601.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,722.97 : 19,077.53 = 4,402.30 : x
  2. Step 2: Convert to fraction form
    12,722.97/19,077.53 = 4,402.30/x
  3. Step 3: Cross multiply
    12,722.97x = 19,077.53 × 4,402.30
  4. Step 4: Simplify right side
    12,722.97x = 83,984,976.38
  5. Step 5: Solve for x
    x = 83,984,976.38/12,722.97
  6. Step 6: Final answer
    x = 6,601.05

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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.