Home / 12,291.28-16,962.12-6,702.32

Finding the Fourth Proportional to 12,291.28, 16,962.12 and 6,702.32

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Solution

The fourth proportional to 12,291.28, 16,962.12 and 6,702.32 is: 9,249.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,291.28 : 16,962.12 = 6,702.32 : x
  2. Step 2: Convert to fraction form
    12,291.28/16,962.12 = 6,702.32/x
  3. Step 3: Cross multiply
    12,291.28x = 16,962.12 × 6,702.32
  4. Step 4: Simplify right side
    12,291.28x = 113,685,556.12
  5. Step 5: Solve for x
    x = 113,685,556.12/12,291.28
  6. Step 6: Final answer
    x = 9,249.29

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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.