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Finding the Fourth Proportional to 11,574.64, 15,973.07 and 6,269.47

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Solution

The fourth proportional to 11,574.64, 15,973.07 and 6,269.47 is: 8,651.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,574.64 : 15,973.07 = 6,269.47 : x
  2. Step 2: Convert to fraction form
    11,574.64/15,973.07 = 6,269.47/x
  3. Step 3: Cross multiply
    11,574.64x = 15,973.07 × 6,269.47
  4. Step 4: Simplify right side
    11,574.64x = 100,142,683.17
  5. Step 5: Solve for x
    x = 100,142,683.17/11,574.64
  6. Step 6: Final answer
    x = 8,651.90

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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.