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Finding the Fourth Proportional to 7,364.17, 10,158.17 and 6,872.10

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Solution

The fourth proportional to 7,364.17, 10,158.17 and 6,872.10 is: 9,479.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,364.17 : 10,158.17 = 6,872.10 : x
  2. Step 2: Convert to fraction form
    7,364.17/10,158.17 = 6,872.10/x
  3. Step 3: Cross multiply
    7,364.17x = 10,158.17 × 6,872.10
  4. Step 4: Simplify right side
    7,364.17x = 69,807,960.06
  5. Step 5: Solve for x
    x = 69,807,960.06/7,364.17
  6. Step 6: Final answer
    x = 9,479.41

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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.