Home / 9,957.06-13,740.30-5,480.46

Finding the Fourth Proportional to 9,957.06, 13,740.30 and 5,480.46

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Solution

The fourth proportional to 9,957.06, 13,740.30 and 5,480.46 is: 7,562.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,957.06 : 13,740.30 = 5,480.46 : x
  2. Step 2: Convert to fraction form
    9,957.06/13,740.30 = 5,480.46/x
  3. Step 3: Cross multiply
    9,957.06x = 13,740.30 × 5,480.46
  4. Step 4: Simplify right side
    9,957.06x = 75,303,164.54
  5. Step 5: Solve for x
    x = 75,303,164.54/9,957.06
  6. Step 6: Final answer
    x = 7,562.79

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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.