Home / 11,859.80-16,366.29-6,554.84

Finding the Fourth Proportional to 11,859.80, 16,366.29 and 6,554.84

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Solution

The fourth proportional to 11,859.80, 16,366.29 and 6,554.84 is: 9,045.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,859.80 : 16,366.29 = 6,554.84 : x
  2. Step 2: Convert to fraction form
    11,859.80/16,366.29 = 6,554.84/x
  3. Step 3: Cross multiply
    11,859.80x = 16,366.29 × 6,554.84
  4. Step 4: Simplify right side
    11,859.80x = 107,278,412.34
  5. Step 5: Solve for x
    x = 107,278,412.34/11,859.80
  6. Step 6: Final answer
    x = 9,045.55

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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.