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Finding the Fourth Proportional to 8,450.66, 12,614.08 and 7,453.11

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Solution

The fourth proportional to 8,450.66, 12,614.08 and 7,453.11 is: 11,125.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,450.66 : 12,614.08 = 7,453.11 : x
  2. Step 2: Convert to fraction form
    8,450.66/12,614.08 = 7,453.11/x
  3. Step 3: Cross multiply
    8,450.66x = 12,614.08 × 7,453.11
  4. Step 4: Simplify right side
    8,450.66x = 94,014,062.72
  5. Step 5: Solve for x
    x = 94,014,062.72/8,450.66
  6. Step 6: Final answer
    x = 11,125.06

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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.