Home / 12,204.24-18,302.40-3,436.80

Finding the Fourth Proportional to 12,204.24, 18,302.40 and 3,436.80

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Solution

The fourth proportional to 12,204.24, 18,302.40 and 3,436.80 is: 5,154.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,204.24 : 18,302.40 = 3,436.80 : x
  2. Step 2: Convert to fraction form
    12,204.24/18,302.40 = 3,436.80/x
  3. Step 3: Cross multiply
    12,204.24x = 18,302.40 × 3,436.80
  4. Step 4: Simplify right side
    12,204.24x = 62,901,688.32
  5. Step 5: Solve for x
    x = 62,901,688.32/12,204.24
  6. Step 6: Final answer
    x = 5,154.08

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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.