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Finding the Fourth Proportional to 8,124.58, 12,176.88 and 6,474.34

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Solution

The fourth proportional to 8,124.58, 12,176.88 and 6,474.34 is: 9,703.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,124.58 : 12,176.88 = 6,474.34 : x
  2. Step 2: Convert to fraction form
    8,124.58/12,176.88 = 6,474.34/x
  3. Step 3: Cross multiply
    8,124.58x = 12,176.88 × 6,474.34
  4. Step 4: Simplify right side
    8,124.58x = 78,837,261.26
  5. Step 5: Solve for x
    x = 78,837,261.26/8,124.58
  6. Step 6: Final answer
    x = 9,703.55

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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.