Home / 8,170.00-11,270.44-4,812.65

Finding the Fourth Proportional to 8,170.00, 11,270.44 and 4,812.65

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Solution

The fourth proportional to 8,170.00, 11,270.44 and 4,812.65 is: 6,639.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,170.00 : 11,270.44 = 4,812.65 : x
  2. Step 2: Convert to fraction form
    8,170.00/11,270.44 = 4,812.65/x
  3. Step 3: Cross multiply
    8,170.00x = 11,270.44 × 4,812.65
  4. Step 4: Simplify right side
    8,170.00x = 54,240,674.99
  5. Step 5: Solve for x
    x = 54,240,674.99/8,170.00
  6. Step 6: Final answer
    x = 6,639.01

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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.