Home / 10,969.45-15,137.75-6,253.63

Finding the Fourth Proportional to 10,969.45, 15,137.75 and 6,253.63

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Solution

The fourth proportional to 10,969.45, 15,137.75 and 6,253.63 is: 8,629.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,969.45 : 15,137.75 = 6,253.63 : x
  2. Step 2: Convert to fraction form
    10,969.45/15,137.75 = 6,253.63/x
  3. Step 3: Cross multiply
    10,969.45x = 15,137.75 × 6,253.63
  4. Step 4: Simplify right side
    10,969.45x = 94,665,865.32
  5. Step 5: Solve for x
    x = 94,665,865.32/10,969.45
  6. Step 6: Final answer
    x = 8,629.96

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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.