Home / 11,827.01-17,725.91-6,561.78

Finding the Fourth Proportional to 11,827.01, 17,725.91 and 6,561.78

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Solution

The fourth proportional to 11,827.01, 17,725.91 and 6,561.78 is: 9,834.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,827.01 : 17,725.91 = 6,561.78 : x
  2. Step 2: Convert to fraction form
    11,827.01/17,725.91 = 6,561.78/x
  3. Step 3: Cross multiply
    11,827.01x = 17,725.91 × 6,561.78
  4. Step 4: Simplify right side
    11,827.01x = 116,313,488.91
  5. Step 5: Solve for x
    x = 116,313,488.91/11,827.01
  6. Step 6: Final answer
    x = 9,834.57

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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.