Home / 12,704.36-17,532.63-7,668.50

Finding the Fourth Proportional to 12,704.36, 17,532.63 and 7,668.50

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Solution

The fourth proportional to 12,704.36, 17,532.63 and 7,668.50 is: 10,582.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,704.36 : 17,532.63 = 7,668.50 : x
  2. Step 2: Convert to fraction form
    12,704.36/17,532.63 = 7,668.50/x
  3. Step 3: Cross multiply
    12,704.36x = 17,532.63 × 7,668.50
  4. Step 4: Simplify right side
    12,704.36x = 134,448,885.49
  5. Step 5: Solve for x
    x = 134,448,885.49/12,704.36
  6. Step 6: Final answer
    x = 10,582.90

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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.