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Finding the Fourth Proportional to 9,718.16, 13,412.56 and 5,943.56

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Solution

The fourth proportional to 9,718.16, 13,412.56 and 5,943.56 is: 8,203.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,718.16 : 13,412.56 = 5,943.56 : x
  2. Step 2: Convert to fraction form
    9,718.16/13,412.56 = 5,943.56/x
  3. Step 3: Cross multiply
    9,718.16x = 13,412.56 × 5,943.56
  4. Step 4: Simplify right side
    9,718.16x = 79,718,355.11
  5. Step 5: Solve for x
    x = 79,718,355.11/9,718.16
  6. Step 6: Final answer
    x = 8,203.03

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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.