Home / 11,173.08-15,418.82-6,457.34

Finding the Fourth Proportional to 11,173.08, 15,418.82 and 6,457.34

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Solution

The fourth proportional to 11,173.08, 15,418.82 and 6,457.34 is: 8,911.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,173.08 : 15,418.82 = 6,457.34 : x
  2. Step 2: Convert to fraction form
    11,173.08/15,418.82 = 6,457.34/x
  3. Step 3: Cross multiply
    11,173.08x = 15,418.82 × 6,457.34
  4. Step 4: Simplify right side
    11,173.08x = 99,564,563.14
  5. Step 5: Solve for x
    x = 99,564,563.14/11,173.08
  6. Step 6: Final answer
    x = 8,911.11

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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.