Home / 11,915.16-16,442.89-6,610.33

Finding the Fourth Proportional to 11,915.16, 16,442.89 and 6,610.33

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Solution

The fourth proportional to 11,915.16, 16,442.89 and 6,610.33 is: 9,122.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,915.16 : 16,442.89 = 6,610.33 : x
  2. Step 2: Convert to fraction form
    11,915.16/16,442.89 = 6,610.33/x
  3. Step 3: Cross multiply
    11,915.16x = 16,442.89 × 6,610.33
  4. Step 4: Simplify right side
    11,915.16x = 108,692,929.05
  5. Step 5: Solve for x
    x = 108,692,929.05/11,915.16
  6. Step 6: Final answer
    x = 9,122.24

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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.