Home / 11,153.26-16,706.40-5,303.98

Finding the Fourth Proportional to 11,153.26, 16,706.40 and 5,303.98

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Solution

The fourth proportional to 11,153.26, 16,706.40 and 5,303.98 is: 7,944.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,153.26 : 16,706.40 = 5,303.98 : x
  2. Step 2: Convert to fraction form
    11,153.26/16,706.40 = 5,303.98/x
  3. Step 3: Cross multiply
    11,153.26x = 16,706.40 × 5,303.98
  4. Step 4: Simplify right side
    11,153.26x = 88,610,411.47
  5. Step 5: Solve for x
    x = 88,610,411.47/11,153.26
  6. Step 6: Final answer
    x = 7,944.80

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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.