Home / 11,311.29-16,935.28-8,529.26

Finding the Fourth Proportional to 11,311.29, 16,935.28 and 8,529.26

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Solution

The fourth proportional to 11,311.29, 16,935.28 and 8,529.26 is: 12,770.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,311.29 : 16,935.28 = 8,529.26 : x
  2. Step 2: Convert to fraction form
    11,311.29/16,935.28 = 8,529.26/x
  3. Step 3: Cross multiply
    11,311.29x = 16,935.28 × 8,529.26
  4. Step 4: Simplify right side
    11,311.29x = 144,445,300.29
  5. Step 5: Solve for x
    x = 144,445,300.29/11,311.29
  6. Step 6: Final answer
    x = 12,770.01

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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.