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Finding the Fourth Proportional to 9,277.56, 12,803.19 and 5,243.57

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Solution

The fourth proportional to 9,277.56, 12,803.19 and 5,243.57 is: 7,236.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,277.56 : 12,803.19 = 5,243.57 : x
  2. Step 2: Convert to fraction form
    9,277.56/12,803.19 = 5,243.57/x
  3. Step 3: Cross multiply
    9,277.56x = 12,803.19 × 5,243.57
  4. Step 4: Simplify right side
    9,277.56x = 67,134,455.00
  5. Step 5: Solve for x
    x = 67,134,455.00/9,277.56
  6. Step 6: Final answer
    x = 7,236.22

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Double scale
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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.