Home / 9,905.94-13,669.44-5,598.77

Finding the Fourth Proportional to 9,905.94, 13,669.44 and 5,598.77

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Solution

The fourth proportional to 9,905.94, 13,669.44 and 5,598.77 is: 7,725.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,905.94 : 13,669.44 = 5,598.77 : x
  2. Step 2: Convert to fraction form
    9,905.94/13,669.44 = 5,598.77/x
  3. Step 3: Cross multiply
    9,905.94x = 13,669.44 × 5,598.77
  4. Step 4: Simplify right side
    9,905.94x = 76,531,982.24
  5. Step 5: Solve for x
    x = 76,531,982.24/9,905.94
  6. Step 6: Final answer
    x = 7,725.87

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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.