Home / 10,421.60-14,382.62-5,944.32

Finding the Fourth Proportional to 10,421.60, 14,382.62 and 5,944.32

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Solution

The fourth proportional to 10,421.60, 14,382.62 and 5,944.32 is: 8,203.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,421.60 : 14,382.62 = 5,944.32 : x
  2. Step 2: Convert to fraction form
    10,421.60/14,382.62 = 5,944.32/x
  3. Step 3: Cross multiply
    10,421.60x = 14,382.62 × 5,944.32
  4. Step 4: Simplify right side
    10,421.60x = 85,494,910.58
  5. Step 5: Solve for x
    x = 85,494,910.58/10,421.60
  6. Step 6: Final answer
    x = 8,203.63

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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.