Home / 7,046.16-10,569.21-2,115.79

Finding the Fourth Proportional to 7,046.16, 10,569.21 and 2,115.79

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Solution

The fourth proportional to 7,046.16, 10,569.21 and 2,115.79 is: 3,173.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,046.16 : 10,569.21 = 2,115.79 : x
  2. Step 2: Convert to fraction form
    7,046.16/10,569.21 = 2,115.79/x
  3. Step 3: Cross multiply
    7,046.16x = 10,569.21 × 2,115.79
  4. Step 4: Simplify right side
    7,046.16x = 22,362,228.83
  5. Step 5: Solve for x
    x = 22,362,228.83/7,046.16
  6. Step 6: Final answer
    x = 3,173.68

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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.