Home / 11,833.28-16,330.38-6,528.68

Finding the Fourth Proportional to 11,833.28, 16,330.38 and 6,528.68

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Solution

The fourth proportional to 11,833.28, 16,330.38 and 6,528.68 is: 9,009.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,833.28 : 16,330.38 = 6,528.68 : x
  2. Step 2: Convert to fraction form
    11,833.28/16,330.38 = 6,528.68/x
  3. Step 3: Cross multiply
    11,833.28x = 16,330.38 × 6,528.68
  4. Step 4: Simplify right side
    11,833.28x = 106,615,825.30
  5. Step 5: Solve for x
    x = 106,615,825.30/11,833.28
  6. Step 6: Final answer
    x = 9,009.83

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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.