Home / 12,270.48-18,403.08-3,503.04

Finding the Fourth Proportional to 12,270.48, 18,403.08 and 3,503.04

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Solution

The fourth proportional to 12,270.48, 18,403.08 and 3,503.04 is: 5,253.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,270.48 : 18,403.08 = 3,503.04 : x
  2. Step 2: Convert to fraction form
    12,270.48/18,403.08 = 3,503.04/x
  3. Step 3: Cross multiply
    12,270.48x = 18,403.08 × 3,503.04
  4. Step 4: Simplify right side
    12,270.48x = 64,466,725.36
  5. Step 5: Solve for x
    x = 64,466,725.36/12,270.48
  6. Step 6: Final answer
    x = 5,253.81

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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.