Home / 11,109.14-15,330.64-6,073.42

Finding the Fourth Proportional to 11,109.14, 15,330.64 and 6,073.42

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Solution

The fourth proportional to 11,109.14, 15,330.64 and 6,073.42 is: 8,381.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,109.14 : 15,330.64 = 6,073.42 : x
  2. Step 2: Convert to fraction form
    11,109.14/15,330.64 = 6,073.42/x
  3. Step 3: Cross multiply
    11,109.14x = 15,330.64 × 6,073.42
  4. Step 4: Simplify right side
    11,109.14x = 93,109,384.85
  5. Step 5: Solve for x
    x = 93,109,384.85/11,109.14
  6. Step 6: Final answer
    x = 8,381.33

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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.