Home / 7,038.43-10,557.66-2,108.09

Finding the Fourth Proportional to 7,038.43, 10,557.66 and 2,108.09

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Solution

The fourth proportional to 7,038.43, 10,557.66 and 2,108.09 is: 3,162.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,038.43 : 10,557.66 = 2,108.09 : x
  2. Step 2: Convert to fraction form
    7,038.43/10,557.66 = 2,108.09/x
  3. Step 3: Cross multiply
    7,038.43x = 10,557.66 × 2,108.09
  4. Step 4: Simplify right side
    7,038.43x = 22,256,497.47
  5. Step 5: Solve for x
    x = 22,256,497.47/7,038.43
  6. Step 6: Final answer
    x = 3,162.14

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1.5x scale

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.