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Finding the Fourth Proportional to 11,053.84, 16,585.07 and 4,128.88

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Solution

The fourth proportional to 11,053.84, 16,585.07 and 4,128.88 is: 6,194.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,053.84 : 16,585.07 = 4,128.88 : x
  2. Step 2: Convert to fraction form
    11,053.84/16,585.07 = 4,128.88/x
  3. Step 3: Cross multiply
    11,053.84x = 16,585.07 × 4,128.88
  4. Step 4: Simplify right side
    11,053.84x = 68,477,763.82
  5. Step 5: Solve for x
    x = 68,477,763.82/11,053.84
  6. Step 6: Final answer
    x = 6,194.93

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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.