Home / 9,982.16-13,775.14-5,505.81

Finding the Fourth Proportional to 9,982.16, 13,775.14 and 5,505.81

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Solution

The fourth proportional to 9,982.16, 13,775.14 and 5,505.81 is: 7,597.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,982.16 : 13,775.14 = 5,505.81 : x
  2. Step 2: Convert to fraction form
    9,982.16/13,775.14 = 5,505.81/x
  3. Step 3: Cross multiply
    9,982.16x = 13,775.14 × 5,505.81
  4. Step 4: Simplify right side
    9,982.16x = 75,843,303.56
  5. Step 5: Solve for x
    x = 75,843,303.56/9,982.16
  6. Step 6: Final answer
    x = 7,597.88

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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.