Home / 12,433.46-17,153.25-8,655.62

Finding the Fourth Proportional to 12,433.46, 17,153.25 and 8,655.62

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Solution

The fourth proportional to 12,433.46, 17,153.25 and 8,655.62 is: 11,941.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,433.46 : 17,153.25 = 8,655.62 : x
  2. Step 2: Convert to fraction form
    12,433.46/17,153.25 = 8,655.62/x
  3. Step 3: Cross multiply
    12,433.46x = 17,153.25 × 8,655.62
  4. Step 4: Simplify right side
    12,433.46x = 148,472,013.77
  5. Step 5: Solve for x
    x = 148,472,013.77/12,433.46
  6. Step 6: Final answer
    x = 11,941.33

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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.