Home / 12,395.16-18,595.38-3,630.36

Finding the Fourth Proportional to 12,395.16, 18,595.38 and 3,630.36

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Solution

The fourth proportional to 12,395.16, 18,595.38 and 3,630.36 is: 5,446.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,395.16 : 18,595.38 = 3,630.36 : x
  2. Step 2: Convert to fraction form
    12,395.16/18,595.38 = 3,630.36/x
  3. Step 3: Cross multiply
    12,395.16x = 18,595.38 × 3,630.36
  4. Step 4: Simplify right side
    12,395.16x = 67,507,923.74
  5. Step 5: Solve for x
    x = 67,507,923.74/12,395.16
  6. Step 6: Final answer
    x = 5,446.31

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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.