Home / 10,311.81-14,241.90-6,968.43

Finding the Fourth Proportional to 10,311.81, 14,241.90 and 6,968.43

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Solution

The fourth proportional to 10,311.81, 14,241.90 and 6,968.43 is: 9,624.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,311.81 : 14,241.90 = 6,968.43 : x
  2. Step 2: Convert to fraction form
    10,311.81/14,241.90 = 6,968.43/x
  3. Step 3: Cross multiply
    10,311.81x = 14,241.90 × 6,968.43
  4. Step 4: Simplify right side
    10,311.81x = 99,243,683.22
  5. Step 5: Solve for x
    x = 99,243,683.22/10,311.81
  6. Step 6: Final answer
    x = 9,624.27

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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.