Home / 11,975.94-17,972.12-4,184.76

Finding the Fourth Proportional to 11,975.94, 17,972.12 and 4,184.76

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Solution

The fourth proportional to 11,975.94, 17,972.12 and 4,184.76 is: 6,280.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,975.94 : 17,972.12 = 4,184.76 : x
  2. Step 2: Convert to fraction form
    11,975.94/17,972.12 = 4,184.76/x
  3. Step 3: Cross multiply
    11,975.94x = 17,972.12 × 4,184.76
  4. Step 4: Simplify right side
    11,975.94x = 75,209,008.89
  5. Step 5: Solve for x
    x = 75,209,008.89/11,975.94
  6. Step 6: Final answer
    x = 6,280.01

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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.