Home / 11,700.14-16,146.23-6,394.95

Finding the Fourth Proportional to 11,700.14, 16,146.23 and 6,394.95

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Solution

The fourth proportional to 11,700.14, 16,146.23 and 6,394.95 is: 8,825.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,700.14 : 16,146.23 = 6,394.95 : x
  2. Step 2: Convert to fraction form
    11,700.14/16,146.23 = 6,394.95/x
  3. Step 3: Cross multiply
    11,700.14x = 16,146.23 × 6,394.95
  4. Step 4: Simplify right side
    11,700.14x = 103,254,301.56
  5. Step 5: Solve for x
    x = 103,254,301.56/11,700.14
  6. Step 6: Final answer
    x = 8,825.05

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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.