Home / 10,653.36-15,982.55-3,258.42

Finding the Fourth Proportional to 10,653.36, 15,982.55 and 3,258.42

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Solution

The fourth proportional to 10,653.36, 15,982.55 and 3,258.42 is: 4,888.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,653.36 : 15,982.55 = 3,258.42 : x
  2. Step 2: Convert to fraction form
    10,653.36/15,982.55 = 3,258.42/x
  3. Step 3: Cross multiply
    10,653.36x = 15,982.55 × 3,258.42
  4. Step 4: Simplify right side
    10,653.36x = 52,077,844.28
  5. Step 5: Solve for x
    x = 52,077,844.28/10,653.36
  6. Step 6: Final answer
    x = 4,888.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.