Home / 11,851.95-17,782.70-5,273.62

Finding the Fourth Proportional to 11,851.95, 17,782.70 and 5,273.62

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Solution

The fourth proportional to 11,851.95, 17,782.70 and 5,273.62 is: 7,912.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,851.95 : 17,782.70 = 5,273.62 : x
  2. Step 2: Convert to fraction form
    11,851.95/17,782.70 = 5,273.62/x
  3. Step 3: Cross multiply
    11,851.95x = 17,782.70 × 5,273.62
  4. Step 4: Simplify right side
    11,851.95x = 93,779,202.37
  5. Step 5: Solve for x
    x = 93,779,202.37/11,851.95
  6. Step 6: Final answer
    x = 7,912.55

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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.