Home / 11,153.70-16,704.63-8,526.06

Finding the Fourth Proportional to 11,153.70, 16,704.63 and 8,526.06

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Solution

The fourth proportional to 11,153.70, 16,704.63 and 8,526.06 is: 12,769.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,153.70 : 16,704.63 = 8,526.06 : x
  2. Step 2: Convert to fraction form
    11,153.70/16,704.63 = 8,526.06/x
  3. Step 3: Cross multiply
    11,153.70x = 16,704.63 × 8,526.06
  4. Step 4: Simplify right side
    11,153.70x = 142,424,677.66
  5. Step 5: Solve for x
    x = 142,424,677.66/11,153.70
  6. Step 6: Final answer
    x = 12,769.28

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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.