Home / 11,386.98-17,082.54-5,149.94

Finding the Fourth Proportional to 11,386.98, 17,082.54 and 5,149.94

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Solution

The fourth proportional to 11,386.98, 17,082.54 and 5,149.94 is: 7,725.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,386.98 : 17,082.54 = 5,149.94 : x
  2. Step 2: Convert to fraction form
    11,386.98/17,082.54 = 5,149.94/x
  3. Step 3: Cross multiply
    11,386.98x = 17,082.54 × 5,149.94
  4. Step 4: Simplify right side
    11,386.98x = 87,973,970.63
  5. Step 5: Solve for x
    x = 87,973,970.63/11,386.98
  6. Step 6: Final answer
    x = 7,725.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.