Home / 11,895.51-16,412.10-6,859.08

Finding the Fourth Proportional to 11,895.51, 16,412.10 and 6,859.08

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Solution

The fourth proportional to 11,895.51, 16,412.10 and 6,859.08 is: 9,463.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,895.51 : 16,412.10 = 6,859.08 : x
  2. Step 2: Convert to fraction form
    11,895.51/16,412.10 = 6,859.08/x
  3. Step 3: Cross multiply
    11,895.51x = 16,412.10 × 6,859.08
  4. Step 4: Simplify right side
    11,895.51x = 112,571,906.87
  5. Step 5: Solve for x
    x = 112,571,906.87/11,895.51
  6. Step 6: Final answer
    x = 9,463.39

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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.