Home / 8,830.45-12,174.23-7,566.09

Finding the Fourth Proportional to 8,830.45, 12,174.23 and 7,566.09

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Solution

The fourth proportional to 8,830.45, 12,174.23 and 7,566.09 is: 10,431.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,830.45 : 12,174.23 = 7,566.09 : x
  2. Step 2: Convert to fraction form
    8,830.45/12,174.23 = 7,566.09/x
  3. Step 3: Cross multiply
    8,830.45x = 12,174.23 × 7,566.09
  4. Step 4: Simplify right side
    8,830.45x = 92,111,293.12
  5. Step 5: Solve for x
    x = 92,111,293.12/8,830.45
  6. Step 6: Final answer
    x = 10,431.10

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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.