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Finding the Fourth Proportional to 9,064.26, 12,499.08 and 7,809.54

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Solution

The fourth proportional to 9,064.26, 12,499.08 and 7,809.54 is: 10,768.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,064.26 : 12,499.08 = 7,809.54 : x
  2. Step 2: Convert to fraction form
    9,064.26/12,499.08 = 7,809.54/x
  3. Step 3: Cross multiply
    9,064.26x = 12,499.08 × 7,809.54
  4. Step 4: Simplify right side
    9,064.26x = 97,612,065.22
  5. Step 5: Solve for x
    x = 97,612,065.22/9,064.26
  6. Step 6: Final answer
    x = 10,768.90

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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.