Home / 12,070.92-16,656.96-6,764.72

Finding the Fourth Proportional to 12,070.92, 16,656.96 and 6,764.72

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Solution

The fourth proportional to 12,070.92, 16,656.96 and 6,764.72 is: 9,334.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,070.92 : 16,656.96 = 6,764.72 : x
  2. Step 2: Convert to fraction form
    12,070.92/16,656.96 = 6,764.72/x
  3. Step 3: Cross multiply
    12,070.92x = 16,656.96 × 6,764.72
  4. Step 4: Simplify right side
    12,070.92x = 112,679,670.45
  5. Step 5: Solve for x
    x = 112,679,670.45/12,070.92
  6. Step 6: Final answer
    x = 9,334.80

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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.