Home / 11,170.31-16,760.93-7,904.39

Finding the Fourth Proportional to 11,170.31, 16,760.93 and 7,904.39

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Solution

The fourth proportional to 11,170.31, 16,760.93 and 7,904.39 is: 11,860.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,170.31 : 16,760.93 = 7,904.39 : x
  2. Step 2: Convert to fraction form
    11,170.31/16,760.93 = 7,904.39/x
  3. Step 3: Cross multiply
    11,170.31x = 16,760.93 × 7,904.39
  4. Step 4: Simplify right side
    11,170.31x = 132,484,804.16
  5. Step 5: Solve for x
    x = 132,484,804.16/11,170.31
  6. Step 6: Final answer
    x = 11,860.45

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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.