Home / 11,176.99-15,423.28-6,395.96

Finding the Fourth Proportional to 11,176.99, 15,423.28 and 6,395.96

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Solution

The fourth proportional to 11,176.99, 15,423.28 and 6,395.96 is: 8,825.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,176.99 : 15,423.28 = 6,395.96 : x
  2. Step 2: Convert to fraction form
    11,176.99/15,423.28 = 6,395.96/x
  3. Step 3: Cross multiply
    11,176.99x = 15,423.28 × 6,395.96
  4. Step 4: Simplify right side
    11,176.99x = 98,646,704.52
  5. Step 5: Solve for x
    x = 98,646,704.52/11,176.99
  6. Step 6: Final answer
    x = 8,825.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.