Home / 11,056.80-16,586.36-5,211.84

Finding the Fourth Proportional to 11,056.80, 16,586.36 and 5,211.84

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Solution

The fourth proportional to 11,056.80, 16,586.36 and 5,211.84 is: 7,818.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,056.80 : 16,586.36 = 5,211.84 : x
  2. Step 2: Convert to fraction form
    11,056.80/16,586.36 = 5,211.84/x
  3. Step 3: Cross multiply
    11,056.80x = 16,586.36 × 5,211.84
  4. Step 4: Simplify right side
    11,056.80x = 86,445,454.50
  5. Step 5: Solve for x
    x = 86,445,454.50/11,056.80
  6. Step 6: Final answer
    x = 7,818.31

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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.