Home / 11,923.51-16,454.33-6,618.19

Finding the Fourth Proportional to 11,923.51, 16,454.33 and 6,618.19

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Solution

The fourth proportional to 11,923.51, 16,454.33 and 6,618.19 is: 9,133.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,923.51 : 16,454.33 = 6,618.19 : x
  2. Step 2: Convert to fraction form
    11,923.51/16,454.33 = 6,618.19/x
  3. Step 3: Cross multiply
    11,923.51x = 16,454.33 × 6,618.19
  4. Step 4: Simplify right side
    11,923.51x = 108,897,849.17
  5. Step 5: Solve for x
    x = 108,897,849.17/11,923.51
  6. Step 6: Final answer
    x = 9,133.04

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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.