Home / 8,069.60-12,099.54-5,260.52

Finding the Fourth Proportional to 8,069.60, 12,099.54 and 5,260.52

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Solution

The fourth proportional to 8,069.60, 12,099.54 and 5,260.52 is: 7,887.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,069.60 : 12,099.54 = 5,260.52 : x
  2. Step 2: Convert to fraction form
    8,069.60/12,099.54 = 5,260.52/x
  3. Step 3: Cross multiply
    8,069.60x = 12,099.54 × 5,260.52
  4. Step 4: Simplify right side
    8,069.60x = 63,649,872.16
  5. Step 5: Solve for x
    x = 63,649,872.16/8,069.60
  6. Step 6: Final answer
    x = 7,887.61

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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.