Home / 10,835.21-16,248.71-4,257.80

Finding the Fourth Proportional to 10,835.21, 16,248.71 and 4,257.80

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Solution

The fourth proportional to 10,835.21, 16,248.71 and 4,257.80 is: 6,385.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,835.21 : 16,248.71 = 4,257.80 : x
  2. Step 2: Convert to fraction form
    10,835.21/16,248.71 = 4,257.80/x
  3. Step 3: Cross multiply
    10,835.21x = 16,248.71 × 4,257.80
  4. Step 4: Simplify right side
    10,835.21x = 69,183,654.91
  5. Step 5: Solve for x
    x = 69,183,654.91/10,835.21
  6. Step 6: Final answer
    x = 6,385.08

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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.