Home / 12,004.40-18,006.60-10,967.60

Finding the Fourth Proportional to 12,004.40, 18,006.60 and 10,967.60

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Solution

The fourth proportional to 12,004.40, 18,006.60 and 10,967.60 is: 16,451.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,004.40 : 18,006.60 = 10,967.60 : x
  2. Step 2: Convert to fraction form
    12,004.40/18,006.60 = 10,967.60/x
  3. Step 3: Cross multiply
    12,004.40x = 18,006.60 × 10,967.60
  4. Step 4: Simplify right side
    12,004.40x = 197,489,186.16
  5. Step 5: Solve for x
    x = 197,489,186.16/12,004.40
  6. Step 6: Final answer
    x = 16,451.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.