Home / 12,435.18-17,160.03-6,845.82

Finding the Fourth Proportional to 12,435.18, 17,160.03 and 6,845.82

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Solution

The fourth proportional to 12,435.18, 17,160.03 and 6,845.82 is: 9,446.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,435.18 : 17,160.03 = 6,845.82 : x
  2. Step 2: Convert to fraction form
    12,435.18/17,160.03 = 6,845.82/x
  3. Step 3: Cross multiply
    12,435.18x = 17,160.03 × 6,845.82
  4. Step 4: Simplify right side
    12,435.18x = 117,474,476.57
  5. Step 5: Solve for x
    x = 117,474,476.57/12,435.18
  6. Step 6: Final answer
    x = 9,446.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.