Home / 9,216.09-12,718.49-5,237.37

Finding the Fourth Proportional to 9,216.09, 12,718.49 and 5,237.37

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Solution

The fourth proportional to 9,216.09, 12,718.49 and 5,237.37 is: 7,227.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,216.09 : 12,718.49 = 5,237.37 : x
  2. Step 2: Convert to fraction form
    9,216.09/12,718.49 = 5,237.37/x
  3. Step 3: Cross multiply
    9,216.09x = 12,718.49 × 5,237.37
  4. Step 4: Simplify right side
    9,216.09x = 66,611,411.78
  5. Step 5: Solve for x
    x = 66,611,411.78/9,216.09
  6. Step 6: Final answer
    x = 7,227.73

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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.