Home / 10,783.79-16,170.21-4,935.39

Finding the Fourth Proportional to 10,783.79, 16,170.21 and 4,935.39

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Solution

The fourth proportional to 10,783.79, 16,170.21 and 4,935.39 is: 7,400.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,783.79 : 16,170.21 = 4,935.39 : x
  2. Step 2: Convert to fraction form
    10,783.79/16,170.21 = 4,935.39/x
  3. Step 3: Cross multiply
    10,783.79x = 16,170.21 × 4,935.39
  4. Step 4: Simplify right side
    10,783.79x = 79,806,292.73
  5. Step 5: Solve for x
    x = 79,806,292.73/10,783.79
  6. Step 6: Final answer
    x = 7,400.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.