Home / 8,117.56-12,176.54-2,274.62

Finding the Fourth Proportional to 8,117.56, 12,176.54 and 2,274.62

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Solution

The fourth proportional to 8,117.56, 12,176.54 and 2,274.62 is: 3,411.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,117.56 : 12,176.54 = 2,274.62 : x
  2. Step 2: Convert to fraction form
    8,117.56/12,176.54 = 2,274.62/x
  3. Step 3: Cross multiply
    8,117.56x = 12,176.54 × 2,274.62
  4. Step 4: Simplify right side
    8,117.56x = 27,696,990.04
  5. Step 5: Solve for x
    x = 27,696,990.04/8,117.56
  6. Step 6: Final answer
    x = 3,411.99

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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.