Home / 10,400.58-14,352.72-5,684.88

Finding the Fourth Proportional to 10,400.58, 14,352.72 and 5,684.88

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Solution

The fourth proportional to 10,400.58, 14,352.72 and 5,684.88 is: 7,845.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,400.58 : 14,352.72 = 5,684.88 : x
  2. Step 2: Convert to fraction form
    10,400.58/14,352.72 = 5,684.88/x
  3. Step 3: Cross multiply
    10,400.58x = 14,352.72 × 5,684.88
  4. Step 4: Simplify right side
    10,400.58x = 81,593,490.87
  5. Step 5: Solve for x
    x = 81,593,490.87/10,400.58
  6. Step 6: Final answer
    x = 7,845.09

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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.