Home / 12,317.57-18,472.25-3,995.58

Finding the Fourth Proportional to 12,317.57, 18,472.25 and 3,995.58

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Solution

The fourth proportional to 12,317.57, 18,472.25 and 3,995.58 is: 5,992.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,317.57 : 18,472.25 = 3,995.58 : x
  2. Step 2: Convert to fraction form
    12,317.57/18,472.25 = 3,995.58/x
  3. Step 3: Cross multiply
    12,317.57x = 18,472.25 × 3,995.58
  4. Step 4: Simplify right side
    12,317.57x = 73,807,328.01
  5. Step 5: Solve for x
    x = 73,807,328.01/12,317.57
  6. Step 6: Final answer
    x = 5,992.04

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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.