Home / 10,969.34-15,137.62-6,253.52

Finding the Fourth Proportional to 10,969.34, 15,137.62 and 6,253.52

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Solution

The fourth proportional to 10,969.34, 15,137.62 and 6,253.52 is: 8,629.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,969.34 : 15,137.62 = 6,253.52 : x
  2. Step 2: Convert to fraction form
    10,969.34/15,137.62 = 6,253.52/x
  3. Step 3: Cross multiply
    10,969.34x = 15,137.62 × 6,253.52
  4. Step 4: Simplify right side
    10,969.34x = 94,663,318.10
  5. Step 5: Solve for x
    x = 94,663,318.10/10,969.34
  6. Step 6: Final answer
    x = 8,629.81

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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.