Home / 9,709.68-14,562.24-4,160.40

Finding the Fourth Proportional to 9,709.68, 14,562.24 and 4,160.40

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Solution

The fourth proportional to 9,709.68, 14,562.24 and 4,160.40 is: 6,239.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,709.68 : 14,562.24 = 4,160.40 : x
  2. Step 2: Convert to fraction form
    9,709.68/14,562.24 = 4,160.40/x
  3. Step 3: Cross multiply
    9,709.68x = 14,562.24 × 4,160.40
  4. Step 4: Simplify right side
    9,709.68x = 60,584,743.30
  5. Step 5: Solve for x
    x = 60,584,743.30/9,709.68
  6. Step 6: Final answer
    x = 6,239.62

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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.