Home / 11,381.18-17,073.54-4,807.40

Finding the Fourth Proportional to 11,381.18, 17,073.54 and 4,807.40

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Solution

The fourth proportional to 11,381.18, 17,073.54 and 4,807.40 is: 7,211.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,381.18 : 17,073.54 = 4,807.40 : x
  2. Step 2: Convert to fraction form
    11,381.18/17,073.54 = 4,807.40/x
  3. Step 3: Cross multiply
    11,381.18x = 17,073.54 × 4,807.40
  4. Step 4: Simplify right side
    11,381.18x = 82,079,250.83
  5. Step 5: Solve for x
    x = 82,079,250.83/11,381.18
  6. Step 6: Final answer
    x = 7,211.84

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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.