Home / 12,076.70-18,114.15-5,054.90

Finding the Fourth Proportional to 12,076.70, 18,114.15 and 5,054.90

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Solution

The fourth proportional to 12,076.70, 18,114.15 and 5,054.90 is: 7,581.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,076.70 : 18,114.15 = 5,054.90 : x
  2. Step 2: Convert to fraction form
    12,076.70/18,114.15 = 5,054.90/x
  3. Step 3: Cross multiply
    12,076.70x = 18,114.15 × 5,054.90
  4. Step 4: Simplify right side
    12,076.70x = 91,565,216.84
  5. Step 5: Solve for x
    x = 91,565,216.84/12,076.70
  6. Step 6: Final answer
    x = 7,581.97

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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.