Home / 8,156.14-12,236.37-3,476.32

Finding the Fourth Proportional to 8,156.14, 12,236.37 and 3,476.32

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Solution

The fourth proportional to 8,156.14, 12,236.37 and 3,476.32 is: 5,215.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,156.14 : 12,236.37 = 3,476.32 : x
  2. Step 2: Convert to fraction form
    8,156.14/12,236.37 = 3,476.32/x
  3. Step 3: Cross multiply
    8,156.14x = 12,236.37 × 3,476.32
  4. Step 4: Simplify right side
    8,156.14x = 42,537,537.76
  5. Step 5: Solve for x
    x = 42,537,537.76/8,156.14
  6. Step 6: Final answer
    x = 5,215.40

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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.