Home / 11,850.12-16,354.80-7,134.84

Finding the Fourth Proportional to 11,850.12, 16,354.80 and 7,134.84

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Solution

The fourth proportional to 11,850.12, 16,354.80 and 7,134.84 is: 9,847.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,850.12 : 16,354.80 = 7,134.84 : x
  2. Step 2: Convert to fraction form
    11,850.12/16,354.80 = 7,134.84/x
  3. Step 3: Cross multiply
    11,850.12x = 16,354.80 × 7,134.84
  4. Step 4: Simplify right side
    11,850.12x = 116,688,881.23
  5. Step 5: Solve for x
    x = 116,688,881.23/11,850.12
  6. Step 6: Final answer
    x = 9,847.06

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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.