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Finding the Fourth Proportional to 9,313.13, 13,894.11 and 8,551.06

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Solution

The fourth proportional to 9,313.13, 13,894.11 and 8,551.06 is: 12,757.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,313.13 : 13,894.11 = 8,551.06 : x
  2. Step 2: Convert to fraction form
    9,313.13/13,894.11 = 8,551.06/x
  3. Step 3: Cross multiply
    9,313.13x = 13,894.11 × 8,551.06
  4. Step 4: Simplify right side
    9,313.13x = 118,809,333.52
  5. Step 5: Solve for x
    x = 118,809,333.52/9,313.13
  6. Step 6: Final answer
    x = 12,757.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.