Home / 10,575.42-15,861.87-2,784.84

Finding the Fourth Proportional to 10,575.42, 15,861.87 and 2,784.84

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Solution

The fourth proportional to 10,575.42, 15,861.87 and 2,784.84 is: 4,176.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,575.42 : 15,861.87 = 2,784.84 : x
  2. Step 2: Convert to fraction form
    10,575.42/15,861.87 = 2,784.84/x
  3. Step 3: Cross multiply
    10,575.42x = 15,861.87 × 2,784.84
  4. Step 4: Simplify right side
    10,575.42x = 44,172,770.05
  5. Step 5: Solve for x
    x = 44,172,770.05/10,575.42
  6. Step 6: Final answer
    x = 4,176.93

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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.