Home / 10,506.87-15,761.93-3,579.75

Finding the Fourth Proportional to 10,506.87, 15,761.93 and 3,579.75

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Solution

The fourth proportional to 10,506.87, 15,761.93 and 3,579.75 is: 5,370.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,506.87 : 15,761.93 = 3,579.75 : x
  2. Step 2: Convert to fraction form
    10,506.87/15,761.93 = 3,579.75/x
  3. Step 3: Cross multiply
    10,506.87x = 15,761.93 × 3,579.75
  4. Step 4: Simplify right side
    10,506.87x = 56,423,751.02
  5. Step 5: Solve for x
    x = 56,423,751.02/10,506.87
  6. Step 6: Final answer
    x = 5,370.18

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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.