Home / 8,775.34-13,158.45-3,226.74

Finding the Fourth Proportional to 8,775.34, 13,158.45 and 3,226.74

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Solution

The fourth proportional to 8,775.34, 13,158.45 and 3,226.74 is: 4,838.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,775.34 : 13,158.45 = 3,226.74 : x
  2. Step 2: Convert to fraction form
    8,775.34/13,158.45 = 3,226.74/x
  3. Step 3: Cross multiply
    8,775.34x = 13,158.45 × 3,226.74
  4. Step 4: Simplify right side
    8,775.34x = 42,458,847.61
  5. Step 5: Solve for x
    x = 42,458,847.61/8,775.34
  6. Step 6: Final answer
    x = 4,838.43

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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.