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Finding the Fourth Proportional to 12,175.49, 16,802.16 and 6,586.49

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Solution

The fourth proportional to 12,175.49, 16,802.16 and 6,586.49 is: 9,089.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,175.49 : 16,802.16 = 6,586.49 : x
  2. Step 2: Convert to fraction form
    12,175.49/16,802.16 = 6,586.49/x
  3. Step 3: Cross multiply
    12,175.49x = 16,802.16 × 6,586.49
  4. Step 4: Simplify right side
    12,175.49x = 110,667,258.82
  5. Step 5: Solve for x
    x = 110,667,258.82/12,175.49
  6. Step 6: Final answer
    x = 9,089.35

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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.