Home / 8,923.06-12,313.62-5,146.23

Finding the Fourth Proportional to 8,923.06, 12,313.62 and 5,146.23

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Solution

The fourth proportional to 8,923.06, 12,313.62 and 5,146.23 is: 7,101.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,923.06 : 12,313.62 = 5,146.23 : x
  2. Step 2: Convert to fraction form
    8,923.06/12,313.62 = 5,146.23/x
  3. Step 3: Cross multiply
    8,923.06x = 12,313.62 × 5,146.23
  4. Step 4: Simplify right side
    8,923.06x = 63,368,766.83
  5. Step 5: Solve for x
    x = 63,368,766.83/8,923.06
  6. Step 6: Final answer
    x = 7,101.68

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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.