Home / 8,156.19-12,235.86-3,476.12

Finding the Fourth Proportional to 8,156.19, 12,235.86 and 3,476.12

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Solution

The fourth proportional to 8,156.19, 12,235.86 and 3,476.12 is: 5,214.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,156.19 : 12,235.86 = 3,476.12 : x
  2. Step 2: Convert to fraction form
    8,156.19/12,235.86 = 3,476.12/x
  3. Step 3: Cross multiply
    8,156.19x = 12,235.86 × 3,476.12
  4. Step 4: Simplify right side
    8,156.19x = 42,533,256.48
  5. Step 5: Solve for x
    x = 42,533,256.48/8,156.19
  6. Step 6: Final answer
    x = 5,214.84

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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.