Home / 43,056.09-64,584.05-11,891.25

Finding the Fourth Proportional to 43,056.09, 64,584.05 and 11,891.25

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Solution

The fourth proportional to 43,056.09, 64,584.05 and 11,891.25 is: 17,836.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,056.09 : 64,584.05 = 11,891.25 : x
  2. Step 2: Convert to fraction form
    43,056.09/64,584.05 = 11,891.25/x
  3. Step 3: Cross multiply
    43,056.09x = 64,584.05 × 11,891.25
  4. Step 4: Simplify right side
    43,056.09x = 767,985,025.11
  5. Step 5: Solve for x
    x = 767,985,025.11/43,056.09
  6. Step 6: Final answer
    x = 17,836.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.