Home / 11,030.40-16,545.60-4,872.96

Finding the Fourth Proportional to 11,030.40, 16,545.60 and 4,872.96

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Solution

The fourth proportional to 11,030.40, 16,545.60 and 4,872.96 is: 7,309.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,030.40 : 16,545.60 = 4,872.96 : x
  2. Step 2: Convert to fraction form
    11,030.40/16,545.60 = 4,872.96/x
  3. Step 3: Cross multiply
    11,030.40x = 16,545.60 × 4,872.96
  4. Step 4: Simplify right side
    11,030.40x = 80,626,046.98
  5. Step 5: Solve for x
    x = 80,626,046.98/11,030.40
  6. Step 6: Final answer
    x = 7,309.44

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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.