Home / 10,996.21-16,484.55-5,720.14

Finding the Fourth Proportional to 10,996.21, 16,484.55 and 5,720.14

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Solution

The fourth proportional to 10,996.21, 16,484.55 and 5,720.14 is: 8,575.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,996.21 : 16,484.55 = 5,720.14 : x
  2. Step 2: Convert to fraction form
    10,996.21/16,484.55 = 5,720.14/x
  3. Step 3: Cross multiply
    10,996.21x = 16,484.55 × 5,720.14
  4. Step 4: Simplify right side
    10,996.21x = 94,293,933.84
  5. Step 5: Solve for x
    x = 94,293,933.84/10,996.21
  6. Step 6: Final answer
    x = 8,575.13

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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.