Home / 10,965.75-15,135.44-6,252.77

Finding the Fourth Proportional to 10,965.75, 15,135.44 and 6,252.77

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Solution

The fourth proportional to 10,965.75, 15,135.44 and 6,252.77 is: 8,630.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,965.75 : 15,135.44 = 6,252.77 : x
  2. Step 2: Convert to fraction form
    10,965.75/15,135.44 = 6,252.77/x
  3. Step 3: Cross multiply
    10,965.75x = 15,135.44 × 6,252.77
  4. Step 4: Simplify right side
    10,965.75x = 94,638,318.23
  5. Step 5: Solve for x
    x = 94,638,318.23/10,965.75
  6. Step 6: Final answer
    x = 8,630.36

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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.