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Finding the Fourth Proportional to 8,409.58, 11,521.18 and 8,094.29

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Solution

The fourth proportional to 8,409.58, 11,521.18 and 8,094.29 is: 11,089.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,409.58 : 11,521.18 = 8,094.29 : x
  2. Step 2: Convert to fraction form
    8,409.58/11,521.18 = 8,094.29/x
  3. Step 3: Cross multiply
    8,409.58x = 11,521.18 × 8,094.29
  4. Step 4: Simplify right side
    8,409.58x = 93,255,772.06
  5. Step 5: Solve for x
    x = 93,255,772.06/8,409.58
  6. Step 6: Final answer
    x = 11,089.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.