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Finding the Fourth Proportional to 11,159.88, 15,400.03 and 6,124.02

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Solution

The fourth proportional to 11,159.88, 15,400.03 and 6,124.02 is: 8,450.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,159.88 : 15,400.03 = 6,124.02 : x
  2. Step 2: Convert to fraction form
    11,159.88/15,400.03 = 6,124.02/x
  3. Step 3: Cross multiply
    11,159.88x = 15,400.03 × 6,124.02
  4. Step 4: Simplify right side
    11,159.88x = 94,310,091.72
  5. Step 5: Solve for x
    x = 94,310,091.72/11,159.88
  6. Step 6: Final answer
    x = 8,450.82

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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.