Home / 8,416.74-12,636.30-7,192.02

Finding the Fourth Proportional to 8,416.74, 12,636.30 and 7,192.02

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Solution

The fourth proportional to 8,416.74, 12,636.30 and 7,192.02 is: 10,797.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,416.74 : 12,636.30 = 7,192.02 : x
  2. Step 2: Convert to fraction form
    8,416.74/12,636.30 = 7,192.02/x
  3. Step 3: Cross multiply
    8,416.74x = 12,636.30 × 7,192.02
  4. Step 4: Simplify right side
    8,416.74x = 90,880,522.33
  5. Step 5: Solve for x
    x = 90,880,522.33/8,416.74
  6. Step 6: Final answer
    x = 10,797.59

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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.