Home / 9,216.48-12,718.32-5,237.80

Finding the Fourth Proportional to 9,216.48, 12,718.32 and 5,237.80

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Solution

The fourth proportional to 9,216.48, 12,718.32 and 5,237.80 is: 7,227.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,216.48 : 12,718.32 = 5,237.80 : x
  2. Step 2: Convert to fraction form
    9,216.48/12,718.32 = 5,237.80/x
  3. Step 3: Cross multiply
    9,216.48x = 12,718.32 × 5,237.80
  4. Step 4: Simplify right side
    9,216.48x = 66,615,965.06
  5. Step 5: Solve for x
    x = 66,615,965.06/9,216.48
  6. Step 6: Final answer
    x = 7,227.92

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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.