Home / 8,775.23-13,146.19-5,209.83

Finding the Fourth Proportional to 8,775.23, 13,146.19 and 5,209.83

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Solution

The fourth proportional to 8,775.23, 13,146.19 and 5,209.83 is: 7,804.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,775.23 : 13,146.19 = 5,209.83 : x
  2. Step 2: Convert to fraction form
    8,775.23/13,146.19 = 5,209.83/x
  3. Step 3: Cross multiply
    8,775.23x = 13,146.19 × 5,209.83
  4. Step 4: Simplify right side
    8,775.23x = 68,489,362.96
  5. Step 5: Solve for x
    x = 68,489,362.96/8,775.23
  6. Step 6: Final answer
    x = 7,804.85

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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.