Home / 12,056.58-18,077.76-4,156.38

Finding the Fourth Proportional to 12,056.58, 18,077.76 and 4,156.38

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Solution

The fourth proportional to 12,056.58, 18,077.76 and 4,156.38 is: 6,232.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,056.58 : 18,077.76 = 4,156.38 : x
  2. Step 2: Convert to fraction form
    12,056.58/18,077.76 = 4,156.38/x
  3. Step 3: Cross multiply
    12,056.58x = 18,077.76 × 4,156.38
  4. Step 4: Simplify right side
    12,056.58x = 75,138,040.11
  5. Step 5: Solve for x
    x = 75,138,040.11/12,056.58
  6. Step 6: Final answer
    x = 6,232.12

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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.