Home / 8,391.36-11,580.48-5,034.36

Finding the Fourth Proportional to 8,391.36, 11,580.48 and 5,034.36

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Solution

The fourth proportional to 8,391.36, 11,580.48 and 5,034.36 is: 6,947.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,391.36 : 11,580.48 = 5,034.36 : x
  2. Step 2: Convert to fraction form
    8,391.36/11,580.48 = 5,034.36/x
  3. Step 3: Cross multiply
    8,391.36x = 11,580.48 × 5,034.36
  4. Step 4: Simplify right side
    8,391.36x = 58,300,305.29
  5. Step 5: Solve for x
    x = 58,300,305.29/8,391.36
  6. Step 6: Final answer
    x = 6,947.66

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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.