Home / 8,515.08-11,747.46-6,282.34

Finding the Fourth Proportional to 8,515.08, 11,747.46 and 6,282.34

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Solution

The fourth proportional to 8,515.08, 11,747.46 and 6,282.34 is: 8,667.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,515.08 : 11,747.46 = 6,282.34 : x
  2. Step 2: Convert to fraction form
    8,515.08/11,747.46 = 6,282.34/x
  3. Step 3: Cross multiply
    8,515.08x = 11,747.46 × 6,282.34
  4. Step 4: Simplify right side
    8,515.08x = 73,801,537.86
  5. Step 5: Solve for x
    x = 73,801,537.86/8,515.08
  6. Step 6: Final answer
    x = 8,667.16

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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.