Home / 11,007.90-16,475.40-8,529.30

Finding the Fourth Proportional to 11,007.90, 16,475.40 and 8,529.30

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Solution

The fourth proportional to 11,007.90, 16,475.40 and 8,529.30 is: 12,765.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,007.90 : 16,475.40 = 8,529.30 : x
  2. Step 2: Convert to fraction form
    11,007.90/16,475.40 = 8,529.30/x
  3. Step 3: Cross multiply
    11,007.90x = 16,475.40 × 8,529.30
  4. Step 4: Simplify right side
    11,007.90x = 140,523,629.22
  5. Step 5: Solve for x
    x = 140,523,629.22/11,007.90
  6. Step 6: Final answer
    x = 12,765.71

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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.