Home / 12,355.34-17,050.20-6,766.34

Finding the Fourth Proportional to 12,355.34, 17,050.20 and 6,766.34

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Solution

The fourth proportional to 12,355.34, 17,050.20 and 6,766.34 is: 9,337.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,355.34 : 17,050.20 = 6,766.34 : x
  2. Step 2: Convert to fraction form
    12,355.34/17,050.20 = 6,766.34/x
  3. Step 3: Cross multiply
    12,355.34x = 17,050.20 × 6,766.34
  4. Step 4: Simplify right side
    12,355.34x = 115,367,450.27
  5. Step 5: Solve for x
    x = 115,367,450.27/12,355.34
  6. Step 6: Final answer
    x = 9,337.46

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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.