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Finding the Fourth Proportional to 8,835.72, 13,224.74 and 6,495.11

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Solution

The fourth proportional to 8,835.72, 13,224.74 and 6,495.11 is: 9,721.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,835.72 : 13,224.74 = 6,495.11 : x
  2. Step 2: Convert to fraction form
    8,835.72/13,224.74 = 6,495.11/x
  3. Step 3: Cross multiply
    8,835.72x = 13,224.74 × 6,495.11
  4. Step 4: Simplify right side
    8,835.72x = 85,896,042.42
  5. Step 5: Solve for x
    x = 85,896,042.42/8,835.72
  6. Step 6: Final answer
    x = 9,721.45

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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.