Home / 10,683.81-16,014.33-5,422.77

Finding the Fourth Proportional to 10,683.81, 16,014.33 and 5,422.77

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Solution

The fourth proportional to 10,683.81, 16,014.33 and 5,422.77 is: 8,128.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,683.81 : 16,014.33 = 5,422.77 : x
  2. Step 2: Convert to fraction form
    10,683.81/16,014.33 = 5,422.77/x
  3. Step 3: Cross multiply
    10,683.81x = 16,014.33 × 5,422.77
  4. Step 4: Simplify right side
    10,683.81x = 86,842,028.29
  5. Step 5: Solve for x
    x = 86,842,028.29/10,683.81
  6. Step 6: Final answer
    x = 8,128.38

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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.