Home / 11,336.90-15,644.61-6,300.99

Finding the Fourth Proportional to 11,336.90, 15,644.61 and 6,300.99

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Solution

The fourth proportional to 11,336.90, 15,644.61 and 6,300.99 is: 8,695.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,336.90 : 15,644.61 = 6,300.99 : x
  2. Step 2: Convert to fraction form
    11,336.90/15,644.61 = 6,300.99/x
  3. Step 3: Cross multiply
    11,336.90x = 15,644.61 × 6,300.99
  4. Step 4: Simplify right side
    11,336.90x = 98,576,531.16
  5. Step 5: Solve for x
    x = 98,576,531.16/11,336.90
  6. Step 6: Final answer
    x = 8,695.20

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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.