Home / 13,072.34-19,588.35-6,138.74

Finding the Fourth Proportional to 13,072.34, 19,588.35 and 6,138.74

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Solution

The fourth proportional to 13,072.34, 19,588.35 and 6,138.74 is: 9,198.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,072.34 : 19,588.35 = 6,138.74 : x
  2. Step 2: Convert to fraction form
    13,072.34/19,588.35 = 6,138.74/x
  3. Step 3: Cross multiply
    13,072.34x = 19,588.35 × 6,138.74
  4. Step 4: Simplify right side
    13,072.34x = 120,247,787.68
  5. Step 5: Solve for x
    x = 120,247,787.68/13,072.34
  6. Step 6: Final answer
    x = 9,198.64

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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.