Home / 9,112.24-13,694.01-5,415.13

Finding the Fourth Proportional to 9,112.24, 13,694.01 and 5,415.13

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Solution

The fourth proportional to 9,112.24, 13,694.01 and 5,415.13 is: 8,137.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,112.24 : 13,694.01 = 5,415.13 : x
  2. Step 2: Convert to fraction form
    9,112.24/13,694.01 = 5,415.13/x
  3. Step 3: Cross multiply
    9,112.24x = 13,694.01 × 5,415.13
  4. Step 4: Simplify right side
    9,112.24x = 74,154,844.37
  5. Step 5: Solve for x
    x = 74,154,844.37/9,112.24
  6. Step 6: Final answer
    x = 8,137.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.