Home / 8,299.11-12,448.65-2,455.26

Finding the Fourth Proportional to 8,299.11, 12,448.65 and 2,455.26

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Solution

The fourth proportional to 8,299.11, 12,448.65 and 2,455.26 is: 3,682.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,299.11 : 12,448.65 = 2,455.26 : x
  2. Step 2: Convert to fraction form
    8,299.11/12,448.65 = 2,455.26/x
  3. Step 3: Cross multiply
    8,299.11x = 12,448.65 × 2,455.26
  4. Step 4: Simplify right side
    8,299.11x = 30,564,672.40
  5. Step 5: Solve for x
    x = 30,564,672.40/8,299.11
  6. Step 6: Final answer
    x = 3,682.89

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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.