Home / 11,176.26-15,416.40-6,635.86

Finding the Fourth Proportional to 11,176.26, 15,416.40 and 6,635.86

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Solution

The fourth proportional to 11,176.26, 15,416.40 and 6,635.86 is: 9,153.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,176.26 : 15,416.40 = 6,635.86 : x
  2. Step 2: Convert to fraction form
    11,176.26/15,416.40 = 6,635.86/x
  3. Step 3: Cross multiply
    11,176.26x = 15,416.40 × 6,635.86
  4. Step 4: Simplify right side
    11,176.26x = 102,301,045.82
  5. Step 5: Solve for x
    x = 102,301,045.82/11,176.26
  6. Step 6: Final answer
    x = 9,153.43

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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.