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Finding the Fourth Proportional to 12,259.64, 16,918.17 and 6,954.41

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Solution

The fourth proportional to 12,259.64, 16,918.17 and 6,954.41 is: 9,597.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,259.64 : 16,918.17 = 6,954.41 : x
  2. Step 2: Convert to fraction form
    12,259.64/16,918.17 = 6,954.41/x
  3. Step 3: Cross multiply
    12,259.64x = 16,918.17 × 6,954.41
  4. Step 4: Simplify right side
    12,259.64x = 117,655,806.04
  5. Step 5: Solve for x
    x = 117,655,806.04/12,259.64
  6. Step 6: Final answer
    x = 9,597.01

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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.