Home / 12,296.36-18,439.10-3,529.24

Finding the Fourth Proportional to 12,296.36, 18,439.10 and 3,529.24

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Solution

The fourth proportional to 12,296.36, 18,439.10 and 3,529.24 is: 5,292.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,296.36 : 18,439.10 = 3,529.24 : x
  2. Step 2: Convert to fraction form
    12,296.36/18,439.10 = 3,529.24/x
  3. Step 3: Cross multiply
    12,296.36x = 18,439.10 × 3,529.24
  4. Step 4: Simplify right side
    12,296.36x = 65,076,009.28
  5. Step 5: Solve for x
    x = 65,076,009.28/12,296.36
  6. Step 6: Final answer
    x = 5,292.30

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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.