Home / 11,213.16-15,471.14-7,232.84

Finding the Fourth Proportional to 11,213.16, 15,471.14 and 7,232.84

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Solution

The fourth proportional to 11,213.16, 15,471.14 and 7,232.84 is: 9,979.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,213.16 : 15,471.14 = 7,232.84 : x
  2. Step 2: Convert to fraction form
    11,213.16/15,471.14 = 7,232.84/x
  3. Step 3: Cross multiply
    11,213.16x = 15,471.14 × 7,232.84
  4. Step 4: Simplify right side
    11,213.16x = 111,900,280.24
  5. Step 5: Solve for x
    x = 111,900,280.24/11,213.16
  6. Step 6: Final answer
    x = 9,979.37

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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.