Home / 12,008.44-17,988.51-5,986.35

Finding the Fourth Proportional to 12,008.44, 17,988.51 and 5,986.35

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Solution

The fourth proportional to 12,008.44, 17,988.51 and 5,986.35 is: 8,967.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,008.44 : 17,988.51 = 5,986.35 : x
  2. Step 2: Convert to fraction form
    12,008.44/17,988.51 = 5,986.35/x
  3. Step 3: Cross multiply
    12,008.44x = 17,988.51 × 5,986.35
  4. Step 4: Simplify right side
    12,008.44x = 107,685,516.84
  5. Step 5: Solve for x
    x = 107,685,516.84/12,008.44
  6. Step 6: Final answer
    x = 8,967.49

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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.