Home / 11,679.11-16,117.69-6,576.38

Finding the Fourth Proportional to 11,679.11, 16,117.69 and 6,576.38

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Solution

The fourth proportional to 11,679.11, 16,117.69 and 6,576.38 is: 9,075.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,679.11 : 16,117.69 = 6,576.38 : x
  2. Step 2: Convert to fraction form
    11,679.11/16,117.69 = 6,576.38/x
  3. Step 3: Cross multiply
    11,679.11x = 16,117.69 × 6,576.38
  4. Step 4: Simplify right side
    11,679.11x = 105,996,054.16
  5. Step 5: Solve for x
    x = 105,996,054.16/11,679.11
  6. Step 6: Final answer
    x = 9,075.70

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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.