Home / 7,833.33-10,811.88-5,319.63

Finding the Fourth Proportional to 7,833.33, 10,811.88 and 5,319.63

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Solution

The fourth proportional to 7,833.33, 10,811.88 and 5,319.63 is: 7,342.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,833.33 : 10,811.88 = 5,319.63 : x
  2. Step 2: Convert to fraction form
    7,833.33/10,811.88 = 5,319.63/x
  3. Step 3: Cross multiply
    7,833.33x = 10,811.88 × 5,319.63
  4. Step 4: Simplify right side
    7,833.33x = 57,515,201.20
  5. Step 5: Solve for x
    x = 57,515,201.20/7,833.33
  6. Step 6: Final answer
    x = 7,342.37

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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.