Home / 11,859.40-16,364.73-6,553.90

Finding the Fourth Proportional to 11,859.40, 16,364.73 and 6,553.90

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Solution

The fourth proportional to 11,859.40, 16,364.73 and 6,553.90 is: 9,043.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,859.40 : 16,364.73 = 6,553.90 : x
  2. Step 2: Convert to fraction form
    11,859.40/16,364.73 = 6,553.90/x
  3. Step 3: Cross multiply
    11,859.40x = 16,364.73 × 6,553.90
  4. Step 4: Simplify right side
    11,859.40x = 107,252,803.95
  5. Step 5: Solve for x
    x = 107,252,803.95/11,859.40
  6. Step 6: Final answer
    x = 9,043.70

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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.