Home / 11,518.56-15,896.42-6,483.26

Finding the Fourth Proportional to 11,518.56, 15,896.42 and 6,483.26

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Solution

The fourth proportional to 11,518.56, 15,896.42 and 6,483.26 is: 8,947.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,518.56 : 15,896.42 = 6,483.26 : x
  2. Step 2: Convert to fraction form
    11,518.56/15,896.42 = 6,483.26/x
  3. Step 3: Cross multiply
    11,518.56x = 15,896.42 × 6,483.26
  4. Step 4: Simplify right side
    11,518.56x = 103,060,623.93
  5. Step 5: Solve for x
    x = 103,060,623.93/11,518.56
  6. Step 6: Final answer
    x = 8,947.35

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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.