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Finding the Fourth Proportional to 8,506.04, 11,717.40 and 7,243.04

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Solution

The fourth proportional to 8,506.04, 11,717.40 and 7,243.04 is: 9,977.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,506.04 : 11,717.40 = 7,243.04 : x
  2. Step 2: Convert to fraction form
    8,506.04/11,717.40 = 7,243.04/x
  3. Step 3: Cross multiply
    8,506.04x = 11,717.40 × 7,243.04
  4. Step 4: Simplify right side
    8,506.04x = 84,869,596.90
  5. Step 5: Solve for x
    x = 84,869,596.90/8,506.04
  6. Step 6: Final answer
    x = 9,977.57

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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.