Home / 8,573.13-12,861.59-3,646.98

Finding the Fourth Proportional to 8,573.13, 12,861.59 and 3,646.98

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Solution

The fourth proportional to 8,573.13, 12,861.59 and 3,646.98 is: 5,471.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,573.13 : 12,861.59 = 3,646.98 : x
  2. Step 2: Convert to fraction form
    8,573.13/12,861.59 = 3,646.98/x
  3. Step 3: Cross multiply
    8,573.13x = 12,861.59 × 3,646.98
  4. Step 4: Simplify right side
    8,573.13x = 46,905,961.50
  5. Step 5: Solve for x
    x = 46,905,961.50/8,573.13
  6. Step 6: Final answer
    x = 5,471.28

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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.