Home / 11,347.64-15,660.72-6,633.44

Finding the Fourth Proportional to 11,347.64, 15,660.72 and 6,633.44

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Solution

The fourth proportional to 11,347.64, 15,660.72 and 6,633.44 is: 9,154.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,347.64 : 15,660.72 = 6,633.44 : x
  2. Step 2: Convert to fraction form
    11,347.64/15,660.72 = 6,633.44/x
  3. Step 3: Cross multiply
    11,347.64x = 15,660.72 × 6,633.44
  4. Step 4: Simplify right side
    11,347.64x = 103,884,446.48
  5. Step 5: Solve for x
    x = 103,884,446.48/11,347.64
  6. Step 6: Final answer
    x = 9,154.72

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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.