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Finding the Fourth Proportional to 8,353.06, 12,504.07 and 7,172.08

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Solution

The fourth proportional to 8,353.06, 12,504.07 and 7,172.08 is: 10,736.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,353.06 : 12,504.07 = 7,172.08 : x
  2. Step 2: Convert to fraction form
    8,353.06/12,504.07 = 7,172.08/x
  3. Step 3: Cross multiply
    8,353.06x = 12,504.07 × 7,172.08
  4. Step 4: Simplify right side
    8,353.06x = 89,680,168.07
  5. Step 5: Solve for x
    x = 89,680,168.07/8,353.06
  6. Step 6: Final answer
    x = 10,736.21

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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.