Home / 12,076.06-18,114.70-4,285.48

Finding the Fourth Proportional to 12,076.06, 18,114.70 and 4,285.48

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Solution

The fourth proportional to 12,076.06, 18,114.70 and 4,285.48 is: 6,428.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,076.06 : 18,114.70 = 4,285.48 : x
  2. Step 2: Convert to fraction form
    12,076.06/18,114.70 = 4,285.48/x
  3. Step 3: Cross multiply
    12,076.06x = 18,114.70 × 4,285.48
  4. Step 4: Simplify right side
    12,076.06x = 77,630,184.56
  5. Step 5: Solve for x
    x = 77,630,184.56/12,076.06
  6. Step 6: Final answer
    x = 6,428.44

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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.