Home / 8,247.07-11,380.05-4,709.60

Finding the Fourth Proportional to 8,247.07, 11,380.05 and 4,709.60

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Solution

The fourth proportional to 8,247.07, 11,380.05 and 4,709.60 is: 6,498.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.07 : 11,380.05 = 4,709.60 : x
  2. Step 2: Convert to fraction form
    8,247.07/11,380.05 = 4,709.60/x
  3. Step 3: Cross multiply
    8,247.07x = 11,380.05 × 4,709.60
  4. Step 4: Simplify right side
    8,247.07x = 53,595,483.48
  5. Step 5: Solve for x
    x = 53,595,483.48/8,247.07
  6. Step 6: Final answer
    x = 6,498.73

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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.