Home / 7,461.54-11,177.73-5,721.66

Finding the Fourth Proportional to 7,461.54, 11,177.73 and 5,721.66

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Solution

The fourth proportional to 7,461.54, 11,177.73 and 5,721.66 is: 8,571.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,461.54 : 11,177.73 = 5,721.66 : x
  2. Step 2: Convert to fraction form
    7,461.54/11,177.73 = 5,721.66/x
  3. Step 3: Cross multiply
    7,461.54x = 11,177.73 × 5,721.66
  4. Step 4: Simplify right side
    7,461.54x = 63,955,170.63
  5. Step 5: Solve for x
    x = 63,955,170.63/7,461.54
  6. Step 6: Final answer
    x = 8,571.31

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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.