Home / 8,947.45-12,346.86-4,968.33

Finding the Fourth Proportional to 8,947.45, 12,346.86 and 4,968.33

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Solution

The fourth proportional to 8,947.45, 12,346.86 and 4,968.33 is: 6,855.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,947.45 : 12,346.86 = 4,968.33 : x
  2. Step 2: Convert to fraction form
    8,947.45/12,346.86 = 4,968.33/x
  3. Step 3: Cross multiply
    8,947.45x = 12,346.86 × 4,968.33
  4. Step 4: Simplify right side
    8,947.45x = 61,343,274.94
  5. Step 5: Solve for x
    x = 61,343,274.94/8,947.45
  6. Step 6: Final answer
    x = 6,855.95

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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.