Home / 11,365.10-15,682.11-6,329.06

Finding the Fourth Proportional to 11,365.10, 15,682.11 and 6,329.06

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Solution

The fourth proportional to 11,365.10, 15,682.11 and 6,329.06 is: 8,733.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,365.10 : 15,682.11 = 6,329.06 : x
  2. Step 2: Convert to fraction form
    11,365.10/15,682.11 = 6,329.06/x
  3. Step 3: Cross multiply
    11,365.10x = 15,682.11 × 6,329.06
  4. Step 4: Simplify right side
    11,365.10x = 99,253,015.12
  5. Step 5: Solve for x
    x = 99,253,015.12/11,365.10
  6. Step 6: Final answer
    x = 8,733.14

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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.