Home / 8,851.98-12,210.36-6,960.66

Finding the Fourth Proportional to 8,851.98, 12,210.36 and 6,960.66

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Solution

The fourth proportional to 8,851.98, 12,210.36 and 6,960.66 is: 9,601.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,851.98 : 12,210.36 = 6,960.66 : x
  2. Step 2: Convert to fraction form
    8,851.98/12,210.36 = 6,960.66/x
  3. Step 3: Cross multiply
    8,851.98x = 12,210.36 × 6,960.66
  4. Step 4: Simplify right side
    8,851.98x = 84,992,164.44
  5. Step 5: Solve for x
    x = 84,992,164.44/8,851.98
  6. Step 6: Final answer
    x = 9,601.49

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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.