Home / 11,301.55-15,595.74-6,824.89

Finding the Fourth Proportional to 11,301.55, 15,595.74 and 6,824.89

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Solution

The fourth proportional to 11,301.55, 15,595.74 and 6,824.89 is: 9,418.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,301.55 : 15,595.74 = 6,824.89 : x
  2. Step 2: Convert to fraction form
    11,301.55/15,595.74 = 6,824.89/x
  3. Step 3: Cross multiply
    11,301.55x = 15,595.74 × 6,824.89
  4. Step 4: Simplify right side
    11,301.55x = 106,439,209.97
  5. Step 5: Solve for x
    x = 106,439,209.97/11,301.55
  6. Step 6: Final answer
    x = 9,418.11

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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.