Home / 12,078.48-16,668.02-6,773.18

Finding the Fourth Proportional to 12,078.48, 16,668.02 and 6,773.18

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Solution

The fourth proportional to 12,078.48, 16,668.02 and 6,773.18 is: 9,346.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,078.48 : 16,668.02 = 6,773.18 : x
  2. Step 2: Convert to fraction form
    12,078.48/16,668.02 = 6,773.18/x
  3. Step 3: Cross multiply
    12,078.48x = 16,668.02 × 6,773.18
  4. Step 4: Simplify right side
    12,078.48x = 112,895,499.70
  5. Step 5: Solve for x
    x = 112,895,499.70/12,078.48
  6. Step 6: Final answer
    x = 9,346.83

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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.