Home / 9,435.24-13,021.29-5,243.76

Finding the Fourth Proportional to 9,435.24, 13,021.29 and 5,243.76

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Solution

The fourth proportional to 9,435.24, 13,021.29 and 5,243.76 is: 7,236.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,435.24 : 13,021.29 = 5,243.76 : x
  2. Step 2: Convert to fraction form
    9,435.24/13,021.29 = 5,243.76/x
  3. Step 3: Cross multiply
    9,435.24x = 13,021.29 × 5,243.76
  4. Step 4: Simplify right side
    9,435.24x = 68,280,519.65
  5. Step 5: Solve for x
    x = 68,280,519.65/9,435.24
  6. Step 6: Final answer
    x = 7,236.75

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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.