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Finding the Fourth Proportional to 7,362.86, 10,974.45 and 6,801.08

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Solution

The fourth proportional to 7,362.86, 10,974.45 and 6,801.08 is: 10,137.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,362.86 : 10,974.45 = 6,801.08 : x
  2. Step 2: Convert to fraction form
    7,362.86/10,974.45 = 6,801.08/x
  3. Step 3: Cross multiply
    7,362.86x = 10,974.45 × 6,801.08
  4. Step 4: Simplify right side
    7,362.86x = 74,638,078.40
  5. Step 5: Solve for x
    x = 74,638,078.40/7,362.86
  6. Step 6: Final answer
    x = 10,137.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.