Home / 11,228.10-15,494.74-6,192.40

Finding the Fourth Proportional to 11,228.10, 15,494.74 and 6,192.40

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Solution

The fourth proportional to 11,228.10, 15,494.74 and 6,192.40 is: 8,545.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,228.10 : 15,494.74 = 6,192.40 : x
  2. Step 2: Convert to fraction form
    11,228.10/15,494.74 = 6,192.40/x
  3. Step 3: Cross multiply
    11,228.10x = 15,494.74 × 6,192.40
  4. Step 4: Simplify right side
    11,228.10x = 95,949,627.98
  5. Step 5: Solve for x
    x = 95,949,627.98/11,228.10
  6. Step 6: Final answer
    x = 8,545.49

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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.