Home / 12,395.87-18,585.73-4,496.92

Finding the Fourth Proportional to 12,395.87, 18,585.73 and 4,496.92

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Solution

The fourth proportional to 12,395.87, 18,585.73 and 4,496.92 is: 6,742.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,395.87 : 18,585.73 = 4,496.92 : x
  2. Step 2: Convert to fraction form
    12,395.87/18,585.73 = 4,496.92/x
  3. Step 3: Cross multiply
    12,395.87x = 18,585.73 × 4,496.92
  4. Step 4: Simplify right side
    12,395.87x = 83,578,540.95
  5. Step 5: Solve for x
    x = 83,578,540.95/12,395.87
  6. Step 6: Final answer
    x = 6,742.45

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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.