Home / 11,962.60-16,508.58-6,657.64

Finding the Fourth Proportional to 11,962.60, 16,508.58 and 6,657.64

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Solution

The fourth proportional to 11,962.60, 16,508.58 and 6,657.64 is: 9,187.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,962.60 : 16,508.58 = 6,657.64 : x
  2. Step 2: Convert to fraction form
    11,962.60/16,508.58 = 6,657.64/x
  3. Step 3: Cross multiply
    11,962.60x = 16,508.58 × 6,657.64
  4. Step 4: Simplify right side
    11,962.60x = 109,908,182.55
  5. Step 5: Solve for x
    x = 109,908,182.55/11,962.60
  6. Step 6: Final answer
    x = 9,187.65

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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.