Home / 8,305.24-12,461.10-3,685

Finding the Fourth Proportional to 8,305.24, 12,461.10 and 3,685

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Solution

The fourth proportional to 8,305.24, 12,461.10 and 3,685 is: 5,528.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,305.24 : 12,461.10 = 3,685 : x
  2. Step 2: Convert to fraction form
    8,305.24/12,461.10 = 3,685/x
  3. Step 3: Cross multiply
    8,305.24x = 12,461.10 × 3,685
  4. Step 4: Simplify right side
    8,305.24x = 45,919,153.50
  5. Step 5: Solve for x
    x = 45,919,153.50/8,305.24
  6. Step 6: Final answer
    x = 5,528.94

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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.