Home / 10,385.44-14,331.96-5,669.77

Finding the Fourth Proportional to 10,385.44, 14,331.96 and 5,669.77

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Solution

The fourth proportional to 10,385.44, 14,331.96 and 5,669.77 is: 7,824.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,385.44 : 14,331.96 = 5,669.77 : x
  2. Step 2: Convert to fraction form
    10,385.44/14,331.96 = 5,669.77/x
  3. Step 3: Cross multiply
    10,385.44x = 14,331.96 × 5,669.77
  4. Step 4: Simplify right side
    10,385.44x = 81,258,902.28
  5. Step 5: Solve for x
    x = 81,258,902.28/10,385.44
  6. Step 6: Final answer
    x = 7,824.31

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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.