Home / 12,246.32-16,900.11-6,941.02

Finding the Fourth Proportional to 12,246.32, 16,900.11 and 6,941.02

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Solution

The fourth proportional to 12,246.32, 16,900.11 and 6,941.02 is: 9,578.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,246.32 : 16,900.11 = 6,941.02 : x
  2. Step 2: Convert to fraction form
    12,246.32/16,900.11 = 6,941.02/x
  3. Step 3: Cross multiply
    12,246.32x = 16,900.11 × 6,941.02
  4. Step 4: Simplify right side
    12,246.32x = 117,303,959.26
  5. Step 5: Solve for x
    x = 117,303,959.26/12,246.32
  6. Step 6: Final answer
    x = 9,578.71

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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.