Home / 11,566.38-15,961.56-6,261.18

Finding the Fourth Proportional to 11,566.38, 15,961.56 and 6,261.18

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Solution

The fourth proportional to 11,566.38, 15,961.56 and 6,261.18 is: 8,640.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,566.38 : 15,961.56 = 6,261.18 : x
  2. Step 2: Convert to fraction form
    11,566.38/15,961.56 = 6,261.18/x
  3. Step 3: Cross multiply
    11,566.38x = 15,961.56 × 6,261.18
  4. Step 4: Simplify right side
    11,566.38x = 99,938,200.24
  5. Step 5: Solve for x
    x = 99,938,200.24/11,566.38
  6. Step 6: Final answer
    x = 8,640.40

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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.