Home / 8,088.63-11,163.75-7,719.27

Finding the Fourth Proportional to 8,088.63, 11,163.75 and 7,719.27

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Solution

The fourth proportional to 8,088.63, 11,163.75 and 7,719.27 is: 10,653.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,088.63 : 11,163.75 = 7,719.27 : x
  2. Step 2: Convert to fraction form
    8,088.63/11,163.75 = 7,719.27/x
  3. Step 3: Cross multiply
    8,088.63x = 11,163.75 × 7,719.27
  4. Step 4: Simplify right side
    8,088.63x = 86,176,000.46
  5. Step 5: Solve for x
    x = 86,176,000.46/8,088.63
  6. Step 6: Final answer
    x = 10,653.97

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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.