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Finding the Fourth Proportional to 8,598.61, 11,868.19 and 5,243.28

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Solution

The fourth proportional to 8,598.61, 11,868.19 and 5,243.28 is: 7,237.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,598.61 : 11,868.19 = 5,243.28 : x
  2. Step 2: Convert to fraction form
    8,598.61/11,868.19 = 5,243.28/x
  3. Step 3: Cross multiply
    8,598.61x = 11,868.19 × 5,243.28
  4. Step 4: Simplify right side
    8,598.61x = 62,228,183.92
  5. Step 5: Solve for x
    x = 62,228,183.92/8,598.61
  6. Step 6: Final answer
    x = 7,237.01

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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.