Home / 9,435.69-13,021.29-5,243.94

Finding the Fourth Proportional to 9,435.69, 13,021.29 and 5,243.94

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Solution

The fourth proportional to 9,435.69, 13,021.29 and 5,243.94 is: 7,236.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,435.69 : 13,021.29 = 5,243.94 : x
  2. Step 2: Convert to fraction form
    9,435.69/13,021.29 = 5,243.94/x
  3. Step 3: Cross multiply
    9,435.69x = 13,021.29 × 5,243.94
  4. Step 4: Simplify right side
    9,435.69x = 68,282,863.48
  5. Step 5: Solve for x
    x = 68,282,863.48/9,435.69
  6. Step 6: Final answer
    x = 7,236.66

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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.