Home / 11,175.43-15,423.42-6,701.65

Finding the Fourth Proportional to 11,175.43, 15,423.42 and 6,701.65

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Solution

The fourth proportional to 11,175.43, 15,423.42 and 6,701.65 is: 9,249.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,175.43 : 15,423.42 = 6,701.65 : x
  2. Step 2: Convert to fraction form
    11,175.43/15,423.42 = 6,701.65/x
  3. Step 3: Cross multiply
    11,175.43x = 15,423.42 × 6,701.65
  4. Step 4: Simplify right side
    11,175.43x = 103,362,285.53
  5. Step 5: Solve for x
    x = 103,362,285.53/11,175.43
  6. Step 6: Final answer
    x = 9,249.07

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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.