Home / 7,538.62-10,403.07-4,553.38

Finding the Fourth Proportional to 7,538.62, 10,403.07 and 4,553.38

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Solution

The fourth proportional to 7,538.62, 10,403.07 and 4,553.38 is: 6,283.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538.62 : 10,403.07 = 4,553.38 : x
  2. Step 2: Convert to fraction form
    7,538.62/10,403.07 = 4,553.38/x
  3. Step 3: Cross multiply
    7,538.62x = 10,403.07 × 4,553.38
  4. Step 4: Simplify right side
    7,538.62x = 47,369,130.88
  5. Step 5: Solve for x
    x = 47,369,130.88/7,538.62
  6. Step 6: Final answer
    x = 6,283.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.