Home / 12,295.59-18,439.44-3,973.83

Finding the Fourth Proportional to 12,295.59, 18,439.44 and 3,973.83

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Solution

The fourth proportional to 12,295.59, 18,439.44 and 3,973.83 is: 5,959.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,295.59 : 18,439.44 = 3,973.83 : x
  2. Step 2: Convert to fraction form
    12,295.59/18,439.44 = 3,973.83/x
  3. Step 3: Cross multiply
    12,295.59x = 18,439.44 × 3,973.83
  4. Step 4: Simplify right side
    12,295.59x = 73,275,199.86
  5. Step 5: Solve for x
    x = 73,275,199.86/12,295.59
  6. Step 6: Final answer
    x = 5,959.47

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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.