Home / 11,338.74-15,647.36-6,302.84

Finding the Fourth Proportional to 11,338.74, 15,647.36 and 6,302.84

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Solution

The fourth proportional to 11,338.74, 15,647.36 and 6,302.84 is: 8,697.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,338.74 : 15,647.36 = 6,302.84 : x
  2. Step 2: Convert to fraction form
    11,338.74/15,647.36 = 6,302.84/x
  3. Step 3: Cross multiply
    11,338.74x = 15,647.36 × 6,302.84
  4. Step 4: Simplify right side
    11,338.74x = 98,622,696.75
  5. Step 5: Solve for x
    x = 98,622,696.75/11,338.74
  6. Step 6: Final answer
    x = 8,697.85

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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.