Home / 10,083.45-13,913.85-5,606.31

Finding the Fourth Proportional to 10,083.45, 13,913.85 and 5,606.31

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Solution

The fourth proportional to 10,083.45, 13,913.85 and 5,606.31 is: 7,735.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,083.45 : 13,913.85 = 5,606.31 : x
  2. Step 2: Convert to fraction form
    10,083.45/13,913.85 = 5,606.31/x
  3. Step 3: Cross multiply
    10,083.45x = 13,913.85 × 5,606.31
  4. Step 4: Simplify right side
    10,083.45x = 78,005,356.39
  5. Step 5: Solve for x
    x = 78,005,356.39/10,083.45
  6. Step 6: Final answer
    x = 7,735.98

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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.