Home / 11,539.56-15,915.54-8,353.33

Finding the Fourth Proportional to 11,539.56, 15,915.54 and 8,353.33

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Solution

The fourth proportional to 11,539.56, 15,915.54 and 8,353.33 is: 11,521.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,539.56 : 15,915.54 = 8,353.33 : x
  2. Step 2: Convert to fraction form
    11,539.56/15,915.54 = 8,353.33/x
  3. Step 3: Cross multiply
    11,539.56x = 15,915.54 × 8,353.33
  4. Step 4: Simplify right side
    11,539.56x = 132,947,702.30
  5. Step 5: Solve for x
    x = 132,947,702.30/11,539.56
  6. Step 6: Final answer
    x = 11,521.03

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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.