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Finding the Fourth Proportional to 8,869.64, 12,151.35 and 8,537.27

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Solution

The fourth proportional to 8,869.64, 12,151.35 and 8,537.27 is: 11,696.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,869.64 : 12,151.35 = 8,537.27 : x
  2. Step 2: Convert to fraction form
    8,869.64/12,151.35 = 8,537.27/x
  3. Step 3: Cross multiply
    8,869.64x = 12,151.35 × 8,537.27
  4. Step 4: Simplify right side
    8,869.64x = 103,739,355.81
  5. Step 5: Solve for x
    x = 103,739,355.81/8,869.64
  6. Step 6: Final answer
    x = 11,696.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.