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Finding the Fourth Proportional to 8,596.58, 12,886.80 and 6,484.96

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Solution

The fourth proportional to 8,596.58, 12,886.80 and 6,484.96 is: 9,721.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,596.58 : 12,886.80 = 6,484.96 : x
  2. Step 2: Convert to fraction form
    8,596.58/12,886.80 = 6,484.96/x
  3. Step 3: Cross multiply
    8,596.58x = 12,886.80 × 6,484.96
  4. Step 4: Simplify right side
    8,596.58x = 83,570,374.32
  5. Step 5: Solve for x
    x = 83,570,374.32/8,596.58
  6. Step 6: Final answer
    x = 9,721.35

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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.