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Finding the Fourth Proportional to 8,930.03, 12,324.90 and 6,802.16

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Solution

The fourth proportional to 8,930.03, 12,324.90 and 6,802.16 is: 9,388.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,930.03 : 12,324.90 = 6,802.16 : x
  2. Step 2: Convert to fraction form
    8,930.03/12,324.90 = 6,802.16/x
  3. Step 3: Cross multiply
    8,930.03x = 12,324.90 × 6,802.16
  4. Step 4: Simplify right side
    8,930.03x = 83,835,941.78
  5. Step 5: Solve for x
    x = 83,835,941.78/8,930.03
  6. Step 6: Final answer
    x = 9,388.09

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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.