Home / 8,960.45-12,351.03-7,068.83

Finding the Fourth Proportional to 8,960.45, 12,351.03 and 7,068.83

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Solution

The fourth proportional to 8,960.45, 12,351.03 and 7,068.83 is: 9,743.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,960.45 : 12,351.03 = 7,068.83 : x
  2. Step 2: Convert to fraction form
    8,960.45/12,351.03 = 7,068.83/x
  3. Step 3: Cross multiply
    8,960.45x = 12,351.03 × 7,068.83
  4. Step 4: Simplify right side
    8,960.45x = 87,307,331.39
  5. Step 5: Solve for x
    x = 87,307,331.39/8,960.45
  6. Step 6: Final answer
    x = 9,743.63

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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.