Home / 11,962.85-16,506.68-6,656.63

Finding the Fourth Proportional to 11,962.85, 16,506.68 and 6,656.63

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Solution

The fourth proportional to 11,962.85, 16,506.68 and 6,656.63 is: 9,185.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,962.85 : 16,506.68 = 6,656.63 : x
  2. Step 2: Convert to fraction form
    11,962.85/16,506.68 = 6,656.63/x
  3. Step 3: Cross multiply
    11,962.85x = 16,506.68 × 6,656.63
  4. Step 4: Simplify right side
    11,962.85x = 109,878,745.47
  5. Step 5: Solve for x
    x = 109,878,745.47/11,962.85
  6. Step 6: Final answer
    x = 9,185.00

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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.