Home / 11,686.01-16,126.58-7,207.97

Finding the Fourth Proportional to 11,686.01, 16,126.58 and 7,207.97

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Solution

The fourth proportional to 11,686.01, 16,126.58 and 7,207.97 is: 9,946.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,686.01 : 16,126.58 = 7,207.97 : x
  2. Step 2: Convert to fraction form
    11,686.01/16,126.58 = 7,207.97/x
  3. Step 3: Cross multiply
    11,686.01x = 16,126.58 × 7,207.97
  4. Step 4: Simplify right side
    11,686.01x = 116,239,868.80
  5. Step 5: Solve for x
    x = 116,239,868.80/11,686.01
  6. Step 6: Final answer
    x = 9,946.93

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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.