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Finding the Fourth Proportional to 6,931.63, 10,383.67 and 6,364.63

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Solution

The fourth proportional to 6,931.63, 10,383.67 and 6,364.63 is: 9,534.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,931.63 : 10,383.67 = 6,364.63 : x
  2. Step 2: Convert to fraction form
    6,931.63/10,383.67 = 6,364.63/x
  3. Step 3: Cross multiply
    6,931.63x = 10,383.67 × 6,364.63
  4. Step 4: Simplify right side
    6,931.63x = 66,088,217.59
  5. Step 5: Solve for x
    x = 66,088,217.59/6,931.63
  6. Step 6: Final answer
    x = 9,534.30

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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.