Home / 8,543.24-12,813.40-2,699

Finding the Fourth Proportional to 8,543.24, 12,813.40 and 2,699

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Solution

The fourth proportional to 8,543.24, 12,813.40 and 2,699 is: 4,048.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,543.24 : 12,813.40 = 2,699 : x
  2. Step 2: Convert to fraction form
    8,543.24/12,813.40 = 2,699/x
  3. Step 3: Cross multiply
    8,543.24x = 12,813.40 × 2,699
  4. Step 4: Simplify right side
    8,543.24x = 34,583,366.60
  5. Step 5: Solve for x
    x = 34,583,366.60/8,543.24
  6. Step 6: Final answer
    x = 4,048.04

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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.