Home / 11,566.61-15,961.95-6,261.47

Finding the Fourth Proportional to 11,566.61, 15,961.95 and 6,261.47

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Solution

The fourth proportional to 11,566.61, 15,961.95 and 6,261.47 is: 8,640.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,566.61 : 15,961.95 = 6,261.47 : x
  2. Step 2: Convert to fraction form
    11,566.61/15,961.95 = 6,261.47/x
  3. Step 3: Cross multiply
    11,566.61x = 15,961.95 × 6,261.47
  4. Step 4: Simplify right side
    11,566.61x = 99,945,191.26
  5. Step 5: Solve for x
    x = 99,945,191.26/11,566.61
  6. Step 6: Final answer
    x = 8,640.84

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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.