Home / 12,132.43-16,742.42-6,826.93

Finding the Fourth Proportional to 12,132.43, 16,742.42 and 6,826.93

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Solution

The fourth proportional to 12,132.43, 16,742.42 and 6,826.93 is: 9,420.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,132.43 : 16,742.42 = 6,826.93 : x
  2. Step 2: Convert to fraction form
    12,132.43/16,742.42 = 6,826.93/x
  3. Step 3: Cross multiply
    12,132.43x = 16,742.42 × 6,826.93
  4. Step 4: Simplify right side
    12,132.43x = 114,299,329.37
  5. Step 5: Solve for x
    x = 114,299,329.37/12,132.43
  6. Step 6: Final answer
    x = 9,420.98

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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.