Home / 10,618.34-15,922.05-4,769.93

Finding the Fourth Proportional to 10,618.34, 15,922.05 and 4,769.93

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Solution

The fourth proportional to 10,618.34, 15,922.05 and 4,769.93 is: 7,152.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,618.34 : 15,922.05 = 4,769.93 : x
  2. Step 2: Convert to fraction form
    10,618.34/15,922.05 = 4,769.93/x
  3. Step 3: Cross multiply
    10,618.34x = 15,922.05 × 4,769.93
  4. Step 4: Simplify right side
    10,618.34x = 75,947,063.96
  5. Step 5: Solve for x
    x = 75,947,063.96/10,618.34
  6. Step 6: Final answer
    x = 7,152.44

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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.