Home / 12,076.83-18,122.94-5,503.68

Finding the Fourth Proportional to 12,076.83, 18,122.94 and 5,503.68

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Solution

The fourth proportional to 12,076.83, 18,122.94 and 5,503.68 is: 8,259.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,076.83 : 18,122.94 = 5,503.68 : x
  2. Step 2: Convert to fraction form
    12,076.83/18,122.94 = 5,503.68/x
  3. Step 3: Cross multiply
    12,076.83x = 18,122.94 × 5,503.68
  4. Step 4: Simplify right side
    12,076.83x = 99,742,862.42
  5. Step 5: Solve for x
    x = 99,742,862.42/12,076.83
  6. Step 6: Final answer
    x = 8,259.03

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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.