Home / 10,666.42-15,998.55-2,876.02

Finding the Fourth Proportional to 10,666.42, 15,998.55 and 2,876.02

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Solution

The fourth proportional to 10,666.42, 15,998.55 and 2,876.02 is: 4,313.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,666.42 : 15,998.55 = 2,876.02 : x
  2. Step 2: Convert to fraction form
    10,666.42/15,998.55 = 2,876.02/x
  3. Step 3: Cross multiply
    10,666.42x = 15,998.55 × 2,876.02
  4. Step 4: Simplify right side
    10,666.42x = 46,012,149.77
  5. Step 5: Solve for x
    x = 46,012,149.77/10,666.42
  6. Step 6: Final answer
    x = 4,313.74

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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.