Home / 7,009.62-10,513.52-2,079.16

Finding the Fourth Proportional to 7,009.62, 10,513.52 and 2,079.16

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Solution

The fourth proportional to 7,009.62, 10,513.52 and 2,079.16 is: 3,118.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,009.62 : 10,513.52 = 2,079.16 : x
  2. Step 2: Convert to fraction form
    7,009.62/10,513.52 = 2,079.16/x
  3. Step 3: Cross multiply
    7,009.62x = 10,513.52 × 2,079.16
  4. Step 4: Simplify right side
    7,009.62x = 21,859,290.24
  5. Step 5: Solve for x
    x = 21,859,290.24/7,009.62
  6. Step 6: Final answer
    x = 3,118.47

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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.