Home / 12,047.33-16,625.40-6,742.64

Finding the Fourth Proportional to 12,047.33, 16,625.40 and 6,742.64

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Solution

The fourth proportional to 12,047.33, 16,625.40 and 6,742.64 is: 9,304.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,047.33 : 16,625.40 = 6,742.64 : x
  2. Step 2: Convert to fraction form
    12,047.33/16,625.40 = 6,742.64/x
  3. Step 3: Cross multiply
    12,047.33x = 16,625.40 × 6,742.64
  4. Step 4: Simplify right side
    12,047.33x = 112,099,087.06
  5. Step 5: Solve for x
    x = 112,099,087.06/12,047.33
  6. Step 6: Final answer
    x = 9,304.89

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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.