Home / 9,957.32-13,740.21-5,481.02

Finding the Fourth Proportional to 9,957.32, 13,740.21 and 5,481.02

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Solution

The fourth proportional to 9,957.32, 13,740.21 and 5,481.02 is: 7,563.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,957.32 : 13,740.21 = 5,481.02 : x
  2. Step 2: Convert to fraction form
    9,957.32/13,740.21 = 5,481.02/x
  3. Step 3: Cross multiply
    9,957.32x = 13,740.21 × 5,481.02
  4. Step 4: Simplify right side
    9,957.32x = 75,310,365.81
  5. Step 5: Solve for x
    x = 75,310,365.81/9,957.32
  6. Step 6: Final answer
    x = 7,563.32

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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.