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Finding the Fourth Proportional to 12,009, 16,572.36 and 6,703.50

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Solution

The fourth proportional to 12,009, 16,572.36 and 6,703.50 is: 9,250.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,009 : 16,572.36 = 6,703.50 : x
  2. Step 2: Convert to fraction form
    12,009/16,572.36 = 6,703.50/x
  3. Step 3: Cross multiply
    12,009x = 16,572.36 × 6,703.50
  4. Step 4: Simplify right side
    12,009x = 111,092,815.26
  5. Step 5: Solve for x
    x = 111,092,815.26/12,009
  6. Step 6: Final answer
    x = 9,250.80

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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.