Home / 9,435.26-13,020.38-5,186.32

Finding the Fourth Proportional to 9,435.26, 13,020.38 and 5,186.32

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Solution

The fourth proportional to 9,435.26, 13,020.38 and 5,186.32 is: 7,156.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,435.26 : 13,020.38 = 5,186.32 : x
  2. Step 2: Convert to fraction form
    9,435.26/13,020.38 = 5,186.32/x
  3. Step 3: Cross multiply
    9,435.26x = 13,020.38 × 5,186.32
  4. Step 4: Simplify right side
    9,435.26x = 67,527,821.74
  5. Step 5: Solve for x
    x = 67,527,821.74/9,435.26
  6. Step 6: Final answer
    x = 7,156.96

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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.