Home / 12,551.74-17,311.72-9,193.34

Finding the Fourth Proportional to 12,551.74, 17,311.72 and 9,193.34

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Solution

The fourth proportional to 12,551.74, 17,311.72 and 9,193.34 is: 12,679.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,551.74 : 17,311.72 = 9,193.34 : x
  2. Step 2: Convert to fraction form
    12,551.74/17,311.72 = 9,193.34/x
  3. Step 3: Cross multiply
    12,551.74x = 17,311.72 × 9,193.34
  4. Step 4: Simplify right side
    12,551.74x = 159,152,527.94
  5. Step 5: Solve for x
    x = 159,152,527.94/12,551.74
  6. Step 6: Final answer
    x = 12,679.72

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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.