Home / 12,065.67-16,651.32-6,762.20

Finding the Fourth Proportional to 12,065.67, 16,651.32 and 6,762.20

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Solution

The fourth proportional to 12,065.67, 16,651.32 and 6,762.20 is: 9,332.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,065.67 : 16,651.32 = 6,762.20 : x
  2. Step 2: Convert to fraction form
    12,065.67/16,651.32 = 6,762.20/x
  3. Step 3: Cross multiply
    12,065.67x = 16,651.32 × 6,762.20
  4. Step 4: Simplify right side
    12,065.67x = 112,599,472.85
  5. Step 5: Solve for x
    x = 112,599,472.85/12,065.67
  6. Step 6: Final answer
    x = 9,332.22

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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.