Home / 11,495.53-15,860.00-6,459.05

Finding the Fourth Proportional to 11,495.53, 15,860.00 and 6,459.05

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Solution

The fourth proportional to 11,495.53, 15,860.00 and 6,459.05 is: 8,911.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,495.53 : 15,860.00 = 6,459.05 : x
  2. Step 2: Convert to fraction form
    11,495.53/15,860.00 = 6,459.05/x
  3. Step 3: Cross multiply
    11,495.53x = 15,860.00 × 6,459.05
  4. Step 4: Simplify right side
    11,495.53x = 102,440,469.85
  5. Step 5: Solve for x
    x = 102,440,469.85/11,495.53
  6. Step 6: Final answer
    x = 8,911.33

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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.