Home / 8,085.30-11,154.42-6,495.95

Finding the Fourth Proportional to 8,085.30, 11,154.42 and 6,495.95

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Solution

The fourth proportional to 8,085.30, 11,154.42 and 6,495.95 is: 8,961.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085.30 : 11,154.42 = 6,495.95 : x
  2. Step 2: Convert to fraction form
    8,085.30/11,154.42 = 6,495.95/x
  3. Step 3: Cross multiply
    8,085.30x = 11,154.42 × 6,495.95
  4. Step 4: Simplify right side
    8,085.30x = 72,458,498.83
  5. Step 5: Solve for x
    x = 72,458,498.83/8,085.30
  6. Step 6: Final answer
    x = 8,961.76

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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.