Home / 12,224.55-18,346.02-5,655.35

Finding the Fourth Proportional to 12,224.55, 18,346.02 and 5,655.35

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Solution

The fourth proportional to 12,224.55, 18,346.02 and 5,655.35 is: 8,487.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,224.55 : 18,346.02 = 5,655.35 : x
  2. Step 2: Convert to fraction form
    12,224.55/18,346.02 = 5,655.35/x
  3. Step 3: Cross multiply
    12,224.55x = 18,346.02 × 5,655.35
  4. Step 4: Simplify right side
    12,224.55x = 103,753,072.48
  5. Step 5: Solve for x
    x = 103,753,072.48/12,224.55
  6. Step 6: Final answer
    x = 8,487.27

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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.