Home / 10,447.06-14,416.96-5,731.60

Finding the Fourth Proportional to 10,447.06, 14,416.96 and 5,731.60

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Solution

The fourth proportional to 10,447.06, 14,416.96 and 5,731.60 is: 7,909.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,447.06 : 14,416.96 = 5,731.60 : x
  2. Step 2: Convert to fraction form
    10,447.06/14,416.96 = 5,731.60/x
  3. Step 3: Cross multiply
    10,447.06x = 14,416.96 × 5,731.60
  4. Step 4: Simplify right side
    10,447.06x = 82,632,247.94
  5. Step 5: Solve for x
    x = 82,632,247.94/10,447.06
  6. Step 6: Final answer
    x = 7,909.62

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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.