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Finding the Fourth Proportional to 8,124.08, 11,211.21 and 4,398.08

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Solution

The fourth proportional to 8,124.08, 11,211.21 and 4,398.08 is: 6,069.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,124.08 : 11,211.21 = 4,398.08 : x
  2. Step 2: Convert to fraction form
    8,124.08/11,211.21 = 4,398.08/x
  3. Step 3: Cross multiply
    8,124.08x = 11,211.21 × 4,398.08
  4. Step 4: Simplify right side
    8,124.08x = 49,307,798.48
  5. Step 5: Solve for x
    x = 49,307,798.48/8,124.08
  6. Step 6: Final answer
    x = 6,069.34

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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.