Home / 11,835.28-16,330.08-6,799.12

Finding the Fourth Proportional to 11,835.28, 16,330.08 and 6,799.12

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Solution

The fourth proportional to 11,835.28, 16,330.08 and 6,799.12 is: 9,381.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,835.28 : 16,330.08 = 6,799.12 : x
  2. Step 2: Convert to fraction form
    11,835.28/16,330.08 = 6,799.12/x
  3. Step 3: Cross multiply
    11,835.28x = 16,330.08 × 6,799.12
  4. Step 4: Simplify right side
    11,835.28x = 111,030,173.53
  5. Step 5: Solve for x
    x = 111,030,173.53/11,835.28
  6. Step 6: Final answer
    x = 9,381.29

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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.