Home / 9,435.42-13,020.75-5,243.58

Finding the Fourth Proportional to 9,435.42, 13,020.75 and 5,243.58

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Solution

The fourth proportional to 9,435.42, 13,020.75 and 5,243.58 is: 7,236.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,435.42 : 13,020.75 = 5,243.58 : x
  2. Step 2: Convert to fraction form
    9,435.42/13,020.75 = 5,243.58/x
  3. Step 3: Cross multiply
    9,435.42x = 13,020.75 × 5,243.58
  4. Step 4: Simplify right side
    9,435.42x = 68,275,344.29
  5. Step 5: Solve for x
    x = 68,275,344.29/9,435.42
  6. Step 6: Final answer
    x = 7,236.07

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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.