Home / 10,710.87-16,066.14-2,919.66

Finding the Fourth Proportional to 10,710.87, 16,066.14 and 2,919.66

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Solution

The fourth proportional to 10,710.87, 16,066.14 and 2,919.66 is: 4,379.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,710.87 : 16,066.14 = 2,919.66 : x
  2. Step 2: Convert to fraction form
    10,710.87/16,066.14 = 2,919.66/x
  3. Step 3: Cross multiply
    10,710.87x = 16,066.14 × 2,919.66
  4. Step 4: Simplify right side
    10,710.87x = 46,907,666.31
  5. Step 5: Solve for x
    x = 46,907,666.31/10,710.87
  6. Step 6: Final answer
    x = 4,379.45

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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.