Home / 11,558.65-17,347.80-4,543.56

Finding the Fourth Proportional to 11,558.65, 17,347.80 and 4,543.56

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Solution

The fourth proportional to 11,558.65, 17,347.80 and 4,543.56 is: 6,819.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,558.65 : 17,347.80 = 4,543.56 : x
  2. Step 2: Convert to fraction form
    11,558.65/17,347.80 = 4,543.56/x
  3. Step 3: Cross multiply
    11,558.65x = 17,347.80 × 4,543.56
  4. Step 4: Simplify right side
    11,558.65x = 78,820,770.17
  5. Step 5: Solve for x
    x = 78,820,770.17/11,558.65
  6. Step 6: Final answer
    x = 6,819.20

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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.