Home / 9,740.50-13,441.89-5,548.75

Finding the Fourth Proportional to 9,740.50, 13,441.89 and 5,548.75

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Solution

The fourth proportional to 9,740.50, 13,441.89 and 5,548.75 is: 7,657.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,740.50 : 13,441.89 = 5,548.75 : x
  2. Step 2: Convert to fraction form
    9,740.50/13,441.89 = 5,548.75/x
  3. Step 3: Cross multiply
    9,740.50x = 13,441.89 × 5,548.75
  4. Step 4: Simplify right side
    9,740.50x = 74,585,687.14
  5. Step 5: Solve for x
    x = 74,585,687.14/9,740.50
  6. Step 6: Final answer
    x = 7,657.28

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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.