Home / 11,352.40-17,028.60-5,196.40

Finding the Fourth Proportional to 11,352.40, 17,028.60 and 5,196.40

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Solution

The fourth proportional to 11,352.40, 17,028.60 and 5,196.40 is: 7,794.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,352.40 : 17,028.60 = 5,196.40 : x
  2. Step 2: Convert to fraction form
    11,352.40/17,028.60 = 5,196.40/x
  3. Step 3: Cross multiply
    11,352.40x = 17,028.60 × 5,196.40
  4. Step 4: Simplify right side
    11,352.40x = 88,487,417.04
  5. Step 5: Solve for x
    x = 88,487,417.04/11,352.40
  6. Step 6: Final answer
    x = 7,794.60

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1.5x scale

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.