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Finding the Fourth Proportional to 11,563.58, 15,957.71 and 6,258.48

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Solution

The fourth proportional to 11,563.58, 15,957.71 and 6,258.48 is: 8,636.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,563.58 : 15,957.71 = 6,258.48 : x
  2. Step 2: Convert to fraction form
    11,563.58/15,957.71 = 6,258.48/x
  3. Step 3: Cross multiply
    11,563.58x = 15,957.71 × 6,258.48
  4. Step 4: Simplify right side
    11,563.58x = 99,870,977.59
  5. Step 5: Solve for x
    x = 99,870,977.59/11,563.58
  6. Step 6: Final answer
    x = 8,636.69

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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.