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Finding the Fourth Proportional to 8,657.23, 12,973.54 and 6,322.61

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Solution

The fourth proportional to 8,657.23, 12,973.54 and 6,322.61 is: 9,474.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,657.23 : 12,973.54 = 6,322.61 : x
  2. Step 2: Convert to fraction form
    8,657.23/12,973.54 = 6,322.61/x
  3. Step 3: Cross multiply
    8,657.23x = 12,973.54 × 6,322.61
  4. Step 4: Simplify right side
    8,657.23x = 82,026,607.03
  5. Step 5: Solve for x
    x = 82,026,607.03/8,657.23
  6. Step 6: Final answer
    x = 9,474.93

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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.