Home / 11,747.10-17,616.55-4,725.29

Finding the Fourth Proportional to 11,747.10, 17,616.55 and 4,725.29

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Solution

The fourth proportional to 11,747.10, 17,616.55 and 4,725.29 is: 7,086.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,747.10 : 17,616.55 = 4,725.29 : x
  2. Step 2: Convert to fraction form
    11,747.10/17,616.55 = 4,725.29/x
  3. Step 3: Cross multiply
    11,747.10x = 17,616.55 × 4,725.29
  4. Step 4: Simplify right side
    11,747.10x = 83,243,381.60
  5. Step 5: Solve for x
    x = 83,243,381.60/11,747.10
  6. Step 6: Final answer
    x = 7,086.29

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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.