Home / 10,103.84-13,947.60-6,793.76

Finding the Fourth Proportional to 10,103.84, 13,947.60 and 6,793.76

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Solution

The fourth proportional to 10,103.84, 13,947.60 and 6,793.76 is: 9,378.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,103.84 : 13,947.60 = 6,793.76 : x
  2. Step 2: Convert to fraction form
    10,103.84/13,947.60 = 6,793.76/x
  3. Step 3: Cross multiply
    10,103.84x = 13,947.60 × 6,793.76
  4. Step 4: Simplify right side
    10,103.84x = 94,756,646.98
  5. Step 5: Solve for x
    x = 94,756,646.98/10,103.84
  6. Step 6: Final answer
    x = 9,378.28

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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.