Home / 11,338.49-15,647.11-6,302.56

Finding the Fourth Proportional to 11,338.49, 15,647.11 and 6,302.56

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Solution

The fourth proportional to 11,338.49, 15,647.11 and 6,302.56 is: 8,697.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,338.49 : 15,647.11 = 6,302.56 : x
  2. Step 2: Convert to fraction form
    11,338.49/15,647.11 = 6,302.56/x
  3. Step 3: Cross multiply
    11,338.49x = 15,647.11 × 6,302.56
  4. Step 4: Simplify right side
    11,338.49x = 98,616,739.85
  5. Step 5: Solve for x
    x = 98,616,739.85/11,338.49
  6. Step 6: Final answer
    x = 8,697.52

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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.