Home / 7,812.59-11,723.75-2,883.34

Finding the Fourth Proportional to 7,812.59, 11,723.75 and 2,883.34

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Solution

The fourth proportional to 7,812.59, 11,723.75 and 2,883.34 is: 4,326.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,812.59 : 11,723.75 = 2,883.34 : x
  2. Step 2: Convert to fraction form
    7,812.59/11,723.75 = 2,883.34/x
  3. Step 3: Cross multiply
    7,812.59x = 11,723.75 × 2,883.34
  4. Step 4: Simplify right side
    7,812.59x = 33,803,557.33
  5. Step 5: Solve for x
    x = 33,803,557.33/7,812.59
  6. Step 6: Final answer
    x = 4,326.81

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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.