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Finding the Fourth Proportional to 8,483.74, 11,707.03 and 5,124.57

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Solution

The fourth proportional to 8,483.74, 11,707.03 and 5,124.57 is: 7,071.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,483.74 : 11,707.03 = 5,124.57 : x
  2. Step 2: Convert to fraction form
    8,483.74/11,707.03 = 5,124.57/x
  3. Step 3: Cross multiply
    8,483.74x = 11,707.03 × 5,124.57
  4. Step 4: Simplify right side
    8,483.74x = 59,993,494.73
  5. Step 5: Solve for x
    x = 59,993,494.73/8,483.74
  6. Step 6: Final answer
    x = 7,071.59

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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.