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Finding the Fourth Proportional to 8,737.56, 12,048.60 and 6,495.84

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Solution

The fourth proportional to 8,737.56, 12,048.60 and 6,495.84 is: 8,957.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,737.56 : 12,048.60 = 6,495.84 : x
  2. Step 2: Convert to fraction form
    8,737.56/12,048.60 = 6,495.84/x
  3. Step 3: Cross multiply
    8,737.56x = 12,048.60 × 6,495.84
  4. Step 4: Simplify right side
    8,737.56x = 78,265,777.82
  5. Step 5: Solve for x
    x = 78,265,777.82/8,737.56
  6. Step 6: Final answer
    x = 8,957.40

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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.