Home / 12,070.11-16,656.78-6,764.93

Finding the Fourth Proportional to 12,070.11, 16,656.78 and 6,764.93

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Solution

The fourth proportional to 12,070.11, 16,656.78 and 6,764.93 is: 9,335.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,070.11 : 16,656.78 = 6,764.93 : x
  2. Step 2: Convert to fraction form
    12,070.11/16,656.78 = 6,764.93/x
  3. Step 3: Cross multiply
    12,070.11x = 16,656.78 × 6,764.93
  4. Step 4: Simplify right side
    12,070.11x = 112,681,950.73
  5. Step 5: Solve for x
    x = 112,681,950.73/12,070.11
  6. Step 6: Final answer
    x = 9,335.62

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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.