Home / 11,004.60-16,512.81-7,308.57

Finding the Fourth Proportional to 11,004.60, 16,512.81 and 7,308.57

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Solution

The fourth proportional to 11,004.60, 16,512.81 and 7,308.57 is: 10,966.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,004.60 : 16,512.81 = 7,308.57 : x
  2. Step 2: Convert to fraction form
    11,004.60/16,512.81 = 7,308.57/x
  3. Step 3: Cross multiply
    11,004.60x = 16,512.81 × 7,308.57
  4. Step 4: Simplify right side
    11,004.60x = 120,685,027.78
  5. Step 5: Solve for x
    x = 120,685,027.78/11,004.60
  6. Step 6: Final answer
    x = 10,966.78

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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.