Home / 12,071.60-16,659.84-6,767.43

Finding the Fourth Proportional to 12,071.60, 16,659.84 and 6,767.43

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Solution

The fourth proportional to 12,071.60, 16,659.84 and 6,767.43 is: 9,339.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,071.60 : 16,659.84 = 6,767.43 : x
  2. Step 2: Convert to fraction form
    12,071.60/16,659.84 = 6,767.43/x
  3. Step 3: Cross multiply
    12,071.60x = 16,659.84 × 6,767.43
  4. Step 4: Simplify right side
    12,071.60x = 112,744,301.01
  5. Step 5: Solve for x
    x = 112,744,301.01/12,071.60
  6. Step 6: Final answer
    x = 9,339.64

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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.