Home / 11,764.08-16,234.56-6,459.12

Finding the Fourth Proportional to 11,764.08, 16,234.56 and 6,459.12

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Solution

The fourth proportional to 11,764.08, 16,234.56 and 6,459.12 is: 8,913.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,764.08 : 16,234.56 = 6,459.12 : x
  2. Step 2: Convert to fraction form
    11,764.08/16,234.56 = 6,459.12/x
  3. Step 3: Cross multiply
    11,764.08x = 16,234.56 × 6,459.12
  4. Step 4: Simplify right side
    11,764.08x = 104,860,971.19
  5. Step 5: Solve for x
    x = 104,860,971.19/11,764.08
  6. Step 6: Final answer
    x = 8,913.66

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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.