Home / 9,179.22-12,667.95-5,200.35

Finding the Fourth Proportional to 9,179.22, 12,667.95 and 5,200.35

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Solution

The fourth proportional to 9,179.22, 12,667.95 and 5,200.35 is: 7,176.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,179.22 : 12,667.95 = 5,200.35 : x
  2. Step 2: Convert to fraction form
    9,179.22/12,667.95 = 5,200.35/x
  3. Step 3: Cross multiply
    9,179.22x = 12,667.95 × 5,200.35
  4. Step 4: Simplify right side
    9,179.22x = 65,877,773.78
  5. Step 5: Solve for x
    x = 65,877,773.78/9,179.22
  6. Step 6: Final answer
    x = 7,176.84

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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.