Home / 9,216.54-12,715.79-5,236.20

Finding the Fourth Proportional to 9,216.54, 12,715.79 and 5,236.20

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Solution

The fourth proportional to 9,216.54, 12,715.79 and 5,236.20 is: 7,224.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,216.54 : 12,715.79 = 5,236.20 : x
  2. Step 2: Convert to fraction form
    9,216.54/12,715.79 = 5,236.20/x
  3. Step 3: Cross multiply
    9,216.54x = 12,715.79 × 5,236.20
  4. Step 4: Simplify right side
    9,216.54x = 66,582,393.42
  5. Step 5: Solve for x
    x = 66,582,393.42/9,216.54
  6. Step 6: Final answer
    x = 7,224.23

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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.