Home / 11,629.09-17,478.88-7,693.77

Finding the Fourth Proportional to 11,629.09, 17,478.88 and 7,693.77

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Solution

The fourth proportional to 11,629.09, 17,478.88 and 7,693.77 is: 11,563.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,629.09 : 17,478.88 = 7,693.77 : x
  2. Step 2: Convert to fraction form
    11,629.09/17,478.88 = 7,693.77/x
  3. Step 3: Cross multiply
    11,629.09x = 17,478.88 × 7,693.77
  4. Step 4: Simplify right side
    11,629.09x = 134,478,482.58
  5. Step 5: Solve for x
    x = 134,478,482.58/11,629.09
  6. Step 6: Final answer
    x = 11,563.97

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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.