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Finding the Fourth Proportional to 8,450.08, 12,686.08 and 6,503.68

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Solution

The fourth proportional to 8,450.08, 12,686.08 and 6,503.68 is: 9,763.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,450.08 : 12,686.08 = 6,503.68 : x
  2. Step 2: Convert to fraction form
    8,450.08/12,686.08 = 6,503.68/x
  3. Step 3: Cross multiply
    8,450.08x = 12,686.08 × 6,503.68
  4. Step 4: Simplify right side
    8,450.08x = 82,506,204.77
  5. Step 5: Solve for x
    x = 82,506,204.77/8,450.08
  6. Step 6: Final answer
    x = 9,763.96

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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.