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Finding the Fourth Proportional to 10,611.22, 14,643.34 and 5,895.40

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Solution

The fourth proportional to 10,611.22, 14,643.34 and 5,895.40 is: 8,135.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,611.22 : 14,643.34 = 5,895.40 : x
  2. Step 2: Convert to fraction form
    10,611.22/14,643.34 = 5,895.40/x
  3. Step 3: Cross multiply
    10,611.22x = 14,643.34 × 5,895.40
  4. Step 4: Simplify right side
    10,611.22x = 86,328,346.64
  5. Step 5: Solve for x
    x = 86,328,346.64/10,611.22
  6. Step 6: Final answer
    x = 8,135.57

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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.