Home / 11,431.20-17,156.46-4,510.56

Finding the Fourth Proportional to 11,431.20, 17,156.46 and 4,510.56

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Solution

The fourth proportional to 11,431.20, 17,156.46 and 4,510.56 is: 6,769.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,431.20 : 17,156.46 = 4,510.56 : x
  2. Step 2: Convert to fraction form
    11,431.20/17,156.46 = 4,510.56/x
  3. Step 3: Cross multiply
    11,431.20x = 17,156.46 × 4,510.56
  4. Step 4: Simplify right side
    11,431.20x = 77,385,242.22
  5. Step 5: Solve for x
    x = 77,385,242.22/11,431.20
  6. Step 6: Final answer
    x = 6,769.65

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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.