Home / 9,683.64-13,362.58-5,376.88

Finding the Fourth Proportional to 9,683.64, 13,362.58 and 5,376.88

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Solution

The fourth proportional to 9,683.64, 13,362.58 and 5,376.88 is: 7,419.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,683.64 : 13,362.58 = 5,376.88 : x
  2. Step 2: Convert to fraction form
    9,683.64/13,362.58 = 5,376.88/x
  3. Step 3: Cross multiply
    9,683.64x = 13,362.58 × 5,376.88
  4. Step 4: Simplify right side
    9,683.64x = 71,848,989.15
  5. Step 5: Solve for x
    x = 71,848,989.15/9,683.64
  6. Step 6: Final answer
    x = 7,419.63

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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.