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Finding the Fourth Proportional to 6,693.68, 9,237 and 3,709.64

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Solution

The fourth proportional to 6,693.68, 9,237 and 3,709.64 is: 5,119.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,693.68 : 9,237 = 3,709.64 : x
  2. Step 2: Convert to fraction form
    6,693.68/9,237 = 3,709.64/x
  3. Step 3: Cross multiply
    6,693.68x = 9,237 × 3,709.64
  4. Step 4: Simplify right side
    6,693.68x = 34,265,944.68
  5. Step 5: Solve for x
    x = 34,265,944.68/6,693.68
  6. Step 6: Final answer
    x = 5,119.15

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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.