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Finding the Fourth Proportional to 9,503.13, 13,109.07 and 6,669.35

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Solution

The fourth proportional to 9,503.13, 13,109.07 and 6,669.35 is: 9,200.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,503.13 : 13,109.07 = 6,669.35 : x
  2. Step 2: Convert to fraction form
    9,503.13/13,109.07 = 6,669.35/x
  3. Step 3: Cross multiply
    9,503.13x = 13,109.07 × 6,669.35
  4. Step 4: Simplify right side
    9,503.13x = 87,428,976.00
  5. Step 5: Solve for x
    x = 87,428,976.00/9,503.13
  6. Step 6: Final answer
    x = 9,200.02

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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.