Home / 9,957.18-13,740.91-5,481.25

Finding the Fourth Proportional to 9,957.18, 13,740.91 and 5,481.25

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Solution

The fourth proportional to 9,957.18, 13,740.91 and 5,481.25 is: 7,564.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,957.18 : 13,740.91 = 5,481.25 : x
  2. Step 2: Convert to fraction form
    9,957.18/13,740.91 = 5,481.25/x
  3. Step 3: Cross multiply
    9,957.18x = 13,740.91 × 5,481.25
  4. Step 4: Simplify right side
    9,957.18x = 75,317,362.94
  5. Step 5: Solve for x
    x = 75,317,362.94/9,957.18
  6. Step 6: Final answer
    x = 7,564.13

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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.