Home / 10,347.96-15,511.82-4,105.88

Finding the Fourth Proportional to 10,347.96, 15,511.82 and 4,105.88

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Solution

The fourth proportional to 10,347.96, 15,511.82 and 4,105.88 is: 6,154.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,347.96 : 15,511.82 = 4,105.88 : x
  2. Step 2: Convert to fraction form
    10,347.96/15,511.82 = 4,105.88/x
  3. Step 3: Cross multiply
    10,347.96x = 15,511.82 × 4,105.88
  4. Step 4: Simplify right side
    10,347.96x = 63,689,671.50
  5. Step 5: Solve for x
    x = 63,689,671.50/10,347.96
  6. Step 6: Final answer
    x = 6,154.80

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1.5x scale

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.