Home / 9,427.27-13,009.12-5,235.25

Finding the Fourth Proportional to 9,427.27, 13,009.12 and 5,235.25

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Solution

The fourth proportional to 9,427.27, 13,009.12 and 5,235.25 is: 7,224.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,427.27 : 13,009.12 = 5,235.25 : x
  2. Step 2: Convert to fraction form
    9,427.27/13,009.12 = 5,235.25/x
  3. Step 3: Cross multiply
    9,427.27x = 13,009.12 × 5,235.25
  4. Step 4: Simplify right side
    9,427.27x = 68,105,995.48
  5. Step 5: Solve for x
    x = 68,105,995.48/9,427.27
  6. Step 6: Final answer
    x = 7,224.36

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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.