Home / 11,962.58-17,919.14-7,017.32

Finding the Fourth Proportional to 11,962.58, 17,919.14 and 7,017.32

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Solution

The fourth proportional to 11,962.58, 17,919.14 and 7,017.32 is: 10,511.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,962.58 : 17,919.14 = 7,017.32 : x
  2. Step 2: Convert to fraction form
    11,962.58/17,919.14 = 7,017.32/x
  3. Step 3: Cross multiply
    11,962.58x = 17,919.14 × 7,017.32
  4. Step 4: Simplify right side
    11,962.58x = 125,744,339.50
  5. Step 5: Solve for x
    x = 125,744,339.50/11,962.58
  6. Step 6: Final answer
    x = 10,511.47

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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.