Home / 9,696.96-13,381.68-5,718.24

Finding the Fourth Proportional to 9,696.96, 13,381.68 and 5,718.24

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Solution

The fourth proportional to 9,696.96, 13,381.68 and 5,718.24 is: 7,891.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,696.96 : 13,381.68 = 5,718.24 : x
  2. Step 2: Convert to fraction form
    9,696.96/13,381.68 = 5,718.24/x
  3. Step 3: Cross multiply
    9,696.96x = 13,381.68 × 5,718.24
  4. Step 4: Simplify right side
    9,696.96x = 76,519,657.84
  5. Step 5: Solve for x
    x = 76,519,657.84/9,696.96
  6. Step 6: Final answer
    x = 7,891.10

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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.