Home / 9,340.36-12,889.62-5,362.12

Finding the Fourth Proportional to 9,340.36, 12,889.62 and 5,362.12

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Solution

The fourth proportional to 9,340.36, 12,889.62 and 5,362.12 is: 7,399.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,340.36 : 12,889.62 = 5,362.12 : x
  2. Step 2: Convert to fraction form
    9,340.36/12,889.62 = 5,362.12/x
  3. Step 3: Cross multiply
    9,340.36x = 12,889.62 × 5,362.12
  4. Step 4: Simplify right side
    9,340.36x = 69,115,689.19
  5. Step 5: Solve for x
    x = 69,115,689.19/9,340.36
  6. Step 6: Final answer
    x = 7,399.68

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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.