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Finding the Fourth Proportional to 11,073.62, 15,277.74 and 7,303.88

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Solution

The fourth proportional to 11,073.62, 15,277.74 and 7,303.88 is: 10,076.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,073.62 : 15,277.74 = 7,303.88 : x
  2. Step 2: Convert to fraction form
    11,073.62/15,277.74 = 7,303.88/x
  3. Step 3: Cross multiply
    11,073.62x = 15,277.74 × 7,303.88
  4. Step 4: Simplify right side
    11,073.62x = 111,586,779.63
  5. Step 5: Solve for x
    x = 111,586,779.63/11,073.62
  6. Step 6: Final answer
    x = 10,076.81

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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.