Home / 11,588.59-15,991.58-6,553.87

Finding the Fourth Proportional to 11,588.59, 15,991.58 and 6,553.87

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Solution

The fourth proportional to 11,588.59, 15,991.58 and 6,553.87 is: 9,043.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,588.59 : 15,991.58 = 6,553.87 : x
  2. Step 2: Convert to fraction form
    11,588.59/15,991.58 = 6,553.87/x
  3. Step 3: Cross multiply
    11,588.59x = 15,991.58 × 6,553.87
  4. Step 4: Simplify right side
    11,588.59x = 104,806,675.95
  5. Step 5: Solve for x
    x = 104,806,675.95/11,588.59
  6. Step 6: Final answer
    x = 9,043.95

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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.