Home / 12,069.86-16,657.18-6,764.22

Finding the Fourth Proportional to 12,069.86, 16,657.18 and 6,764.22

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Solution

The fourth proportional to 12,069.86, 16,657.18 and 6,764.22 is: 9,335.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,069.86 : 16,657.18 = 6,764.22 : x
  2. Step 2: Convert to fraction form
    12,069.86/16,657.18 = 6,764.22/x
  3. Step 3: Cross multiply
    12,069.86x = 16,657.18 × 6,764.22
  4. Step 4: Simplify right side
    12,069.86x = 112,672,813.19
  5. Step 5: Solve for x
    x = 112,672,813.19/12,069.86
  6. Step 6: Final answer
    x = 9,335.06

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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.