Home / 11,495.86-15,864.60-6,460.53

Finding the Fourth Proportional to 11,495.86, 15,864.60 and 6,460.53

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Solution

The fourth proportional to 11,495.86, 15,864.60 and 6,460.53 is: 8,915.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,495.86 : 15,864.60 = 6,460.53 : x
  2. Step 2: Convert to fraction form
    11,495.86/15,864.60 = 6,460.53/x
  3. Step 3: Cross multiply
    11,495.86x = 15,864.60 × 6,460.53
  4. Step 4: Simplify right side
    11,495.86x = 102,493,777.40
  5. Step 5: Solve for x
    x = 102,493,777.40/11,495.86
  6. Step 6: Final answer
    x = 8,915.72

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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.