Home / 10,458.15-15,687.23-2,666.96

Finding the Fourth Proportional to 10,458.15, 15,687.23 and 2,666.96

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Solution

The fourth proportional to 10,458.15, 15,687.23 and 2,666.96 is: 4,000.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,458.15 : 15,687.23 = 2,666.96 : x
  2. Step 2: Convert to fraction form
    10,458.15/15,687.23 = 2,666.96/x
  3. Step 3: Cross multiply
    10,458.15x = 15,687.23 × 2,666.96
  4. Step 4: Simplify right side
    10,458.15x = 41,837,189.48
  5. Step 5: Solve for x
    x = 41,837,189.48/10,458.15
  6. Step 6: Final answer
    x = 4,000.44

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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.