Home / 8,154.27-11,252.88-4,428.27

Finding the Fourth Proportional to 8,154.27, 11,252.88 and 4,428.27

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Solution

The fourth proportional to 8,154.27, 11,252.88 and 4,428.27 is: 6,111.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,154.27 : 11,252.88 = 4,428.27 : x
  2. Step 2: Convert to fraction form
    8,154.27/11,252.88 = 4,428.27/x
  3. Step 3: Cross multiply
    8,154.27x = 11,252.88 × 4,428.27
  4. Step 4: Simplify right side
    8,154.27x = 49,830,790.92
  5. Step 5: Solve for x
    x = 49,830,790.92/8,154.27
  6. Step 6: Final answer
    x = 6,111.01

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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.