Home / 7,538.08-10,396.20-4,849.72

Finding the Fourth Proportional to 7,538.08, 10,396.20 and 4,849.72

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Solution

The fourth proportional to 7,538.08, 10,396.20 and 4,849.72 is: 6,688.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538.08 : 10,396.20 = 4,849.72 : x
  2. Step 2: Convert to fraction form
    7,538.08/10,396.20 = 4,849.72/x
  3. Step 3: Cross multiply
    7,538.08x = 10,396.20 × 4,849.72
  4. Step 4: Simplify right side
    7,538.08x = 50,418,659.06
  5. Step 5: Solve for x
    x = 50,418,659.06/7,538.08
  6. Step 6: Final answer
    x = 6,688.53

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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.