Home / 8,575.20-11,835.12-6,216.48

Finding the Fourth Proportional to 8,575.20, 11,835.12 and 6,216.48

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Solution

The fourth proportional to 8,575.20, 11,835.12 and 6,216.48 is: 8,579.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,575.20 : 11,835.12 = 6,216.48 : x
  2. Step 2: Convert to fraction form
    8,575.20/11,835.12 = 6,216.48/x
  3. Step 3: Cross multiply
    8,575.20x = 11,835.12 × 6,216.48
  4. Step 4: Simplify right side
    8,575.20x = 73,572,786.78
  5. Step 5: Solve for x
    x = 73,572,786.78/8,575.20
  6. Step 6: Final answer
    x = 8,579.72

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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.