Home / 11,762.45-16,232.19-6,457.61

Finding the Fourth Proportional to 11,762.45, 16,232.19 and 6,457.61

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Solution

The fourth proportional to 11,762.45, 16,232.19 and 6,457.61 is: 8,911.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,762.45 : 16,232.19 = 6,457.61 : x
  2. Step 2: Convert to fraction form
    11,762.45/16,232.19 = 6,457.61/x
  3. Step 3: Cross multiply
    11,762.45x = 16,232.19 × 6,457.61
  4. Step 4: Simplify right side
    11,762.45x = 104,821,152.47
  5. Step 5: Solve for x
    x = 104,821,152.47/11,762.45
  6. Step 6: Final answer
    x = 8,911.51

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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.