Home / 11,762.16-16,231.70-6,457.08

Finding the Fourth Proportional to 11,762.16, 16,231.70 and 6,457.08

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Solution

The fourth proportional to 11,762.16, 16,231.70 and 6,457.08 is: 8,910.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,762.16 : 16,231.70 = 6,457.08 : x
  2. Step 2: Convert to fraction form
    11,762.16/16,231.70 = 6,457.08/x
  3. Step 3: Cross multiply
    11,762.16x = 16,231.70 × 6,457.08
  4. Step 4: Simplify right side
    11,762.16x = 104,809,385.44
  5. Step 5: Solve for x
    x = 104,809,385.44/11,762.16
  6. Step 6: Final answer
    x = 8,910.73

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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.