Home / 11,043.84-15,239.64-6,327.12

Finding the Fourth Proportional to 11,043.84, 15,239.64 and 6,327.12

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Solution

The fourth proportional to 11,043.84, 15,239.64 and 6,327.12 is: 8,730.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,043.84 : 15,239.64 = 6,327.12 : x
  2. Step 2: Convert to fraction form
    11,043.84/15,239.64 = 6,327.12/x
  3. Step 3: Cross multiply
    11,043.84x = 15,239.64 × 6,327.12
  4. Step 4: Simplify right side
    11,043.84x = 96,423,031.04
  5. Step 5: Solve for x
    x = 96,423,031.04/11,043.84
  6. Step 6: Final answer
    x = 8,730.93

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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.