Home / 9,943.40-13,712.82-6,800.60

Finding the Fourth Proportional to 9,943.40, 13,712.82 and 6,800.60

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Solution

The fourth proportional to 9,943.40, 13,712.82 and 6,800.60 is: 9,378.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,943.40 : 13,712.82 = 6,800.60 : x
  2. Step 2: Convert to fraction form
    9,943.40/13,712.82 = 6,800.60/x
  3. Step 3: Cross multiply
    9,943.40x = 13,712.82 × 6,800.60
  4. Step 4: Simplify right side
    9,943.40x = 93,255,403.69
  5. Step 5: Solve for x
    x = 93,255,403.69/9,943.40
  6. Step 6: Final answer
    x = 9,378.62

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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.