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Finding the Fourth Proportional to 9,370.64, 14,051.28 and 5,813.12

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Solution

The fourth proportional to 9,370.64, 14,051.28 and 5,813.12 is: 8,716.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,370.64 : 14,051.28 = 5,813.12 : x
  2. Step 2: Convert to fraction form
    9,370.64/14,051.28 = 5,813.12/x
  3. Step 3: Cross multiply
    9,370.64x = 14,051.28 × 5,813.12
  4. Step 4: Simplify right side
    9,370.64x = 81,681,776.79
  5. Step 5: Solve for x
    x = 81,681,776.79/9,370.64
  6. Step 6: Final answer
    x = 8,716.78

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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.