Home / 12,465.89-18,702.17-5,444.54

Finding the Fourth Proportional to 12,465.89, 18,702.17 and 5,444.54

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Solution

The fourth proportional to 12,465.89, 18,702.17 and 5,444.54 is: 8,168.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,465.89 : 18,702.17 = 5,444.54 : x
  2. Step 2: Convert to fraction form
    12,465.89/18,702.17 = 5,444.54/x
  3. Step 3: Cross multiply
    12,465.89x = 18,702.17 × 5,444.54
  4. Step 4: Simplify right side
    12,465.89x = 101,824,712.65
  5. Step 5: Solve for x
    x = 101,824,712.65/12,465.89
  6. Step 6: Final answer
    x = 8,168.27

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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.