Home / 10,372.68-15,558.96-2,977.17

Finding the Fourth Proportional to 10,372.68, 15,558.96 and 2,977.17

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Solution

The fourth proportional to 10,372.68, 15,558.96 and 2,977.17 is: 4,465.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,372.68 : 15,558.96 = 2,977.17 : x
  2. Step 2: Convert to fraction form
    10,372.68/15,558.96 = 2,977.17/x
  3. Step 3: Cross multiply
    10,372.68x = 15,558.96 × 2,977.17
  4. Step 4: Simplify right side
    10,372.68x = 46,321,668.94
  5. Step 5: Solve for x
    x = 46,321,668.94/10,372.68
  6. Step 6: Final answer
    x = 4,465.74

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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.