Home / 12,589.44-17,373.60-7,000.56

Finding the Fourth Proportional to 12,589.44, 17,373.60 and 7,000.56

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Solution

The fourth proportional to 12,589.44, 17,373.60 and 7,000.56 is: 9,660.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,589.44 : 17,373.60 = 7,000.56 : x
  2. Step 2: Convert to fraction form
    12,589.44/17,373.60 = 7,000.56/x
  3. Step 3: Cross multiply
    12,589.44x = 17,373.60 × 7,000.56
  4. Step 4: Simplify right side
    12,589.44x = 121,624,929.22
  5. Step 5: Solve for x
    x = 121,624,929.22/12,589.44
  6. Step 6: Final answer
    x = 9,660.87

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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.