Home / 7,073.68-10,603.56-3,127.09

Finding the Fourth Proportional to 7,073.68, 10,603.56 and 3,127.09

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Solution

The fourth proportional to 7,073.68, 10,603.56 and 3,127.09 is: 4,687.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,073.68 : 10,603.56 = 3,127.09 : x
  2. Step 2: Convert to fraction form
    7,073.68/10,603.56 = 3,127.09/x
  3. Step 3: Cross multiply
    7,073.68x = 10,603.56 × 3,127.09
  4. Step 4: Simplify right side
    7,073.68x = 33,158,233.42
  5. Step 5: Solve for x
    x = 33,158,233.42/7,073.68
  6. Step 6: Final answer
    x = 4,687.55

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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.