Home / 10,415.48-15,622.68-3,841.12

Finding the Fourth Proportional to 10,415.48, 15,622.68 and 3,841.12

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Solution

The fourth proportional to 10,415.48, 15,622.68 and 3,841.12 is: 5,761.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,415.48 : 15,622.68 = 3,841.12 : x
  2. Step 2: Convert to fraction form
    10,415.48/15,622.68 = 3,841.12/x
  3. Step 3: Cross multiply
    10,415.48x = 15,622.68 × 3,841.12
  4. Step 4: Simplify right side
    10,415.48x = 60,008,588.60
  5. Step 5: Solve for x
    x = 60,008,588.60/10,415.48
  6. Step 6: Final answer
    x = 5,761.48

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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.