Home / 13,072.92-19,611.81-4,308.45

Finding the Fourth Proportional to 13,072.92, 19,611.81 and 4,308.45

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Solution

The fourth proportional to 13,072.92, 19,611.81 and 4,308.45 is: 6,463.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,072.92 : 19,611.81 = 4,308.45 : x
  2. Step 2: Convert to fraction form
    13,072.92/19,611.81 = 4,308.45/x
  3. Step 3: Cross multiply
    13,072.92x = 19,611.81 × 4,308.45
  4. Step 4: Simplify right side
    13,072.92x = 84,496,502.79
  5. Step 5: Solve for x
    x = 84,496,502.79/13,072.92
  6. Step 6: Final answer
    x = 6,463.48

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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.