Home / 9,435.71-13,020.48-5,186.54

Finding the Fourth Proportional to 9,435.71, 13,020.48 and 5,186.54

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Solution

The fourth proportional to 9,435.71, 13,020.48 and 5,186.54 is: 7,156.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,435.71 : 13,020.48 = 5,186.54 : x
  2. Step 2: Convert to fraction form
    9,435.71/13,020.48 = 5,186.54/x
  3. Step 3: Cross multiply
    9,435.71x = 13,020.48 × 5,186.54
  4. Step 4: Simplify right side
    9,435.71x = 67,531,175.24
  5. Step 5: Solve for x
    x = 67,531,175.24/9,435.71
  6. Step 6: Final answer
    x = 7,156.98

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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.