Home / 8,819.55-13,208.31-4,864.73

Finding the Fourth Proportional to 8,819.55, 13,208.31 and 4,864.73

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Solution

The fourth proportional to 8,819.55, 13,208.31 and 4,864.73 is: 7,285.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,819.55 : 13,208.31 = 4,864.73 : x
  2. Step 2: Convert to fraction form
    8,819.55/13,208.31 = 4,864.73/x
  3. Step 3: Cross multiply
    8,819.55x = 13,208.31 × 4,864.73
  4. Step 4: Simplify right side
    8,819.55x = 64,254,795.86
  5. Step 5: Solve for x
    x = 64,254,795.86/8,819.55
  6. Step 6: Final answer
    x = 7,285.50

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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.