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Finding the Fourth Proportional to 8,314.94, 11,478.35 and 5,483.99

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Solution

The fourth proportional to 8,314.94, 11,478.35 and 5,483.99 is: 7,570.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,314.94 : 11,478.35 = 5,483.99 : x
  2. Step 2: Convert to fraction form
    8,314.94/11,478.35 = 5,483.99/x
  3. Step 3: Cross multiply
    8,314.94x = 11,478.35 × 5,483.99
  4. Step 4: Simplify right side
    8,314.94x = 62,947,112.93
  5. Step 5: Solve for x
    x = 62,947,112.93/8,314.94
  6. Step 6: Final answer
    x = 7,570.37

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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.