Home / 11,117.68-16,678.76-4,544.40

Finding the Fourth Proportional to 11,117.68, 16,678.76 and 4,544.40

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Solution

The fourth proportional to 11,117.68, 16,678.76 and 4,544.40 is: 6,817.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,117.68 : 16,678.76 = 4,544.40 : x
  2. Step 2: Convert to fraction form
    11,117.68/16,678.76 = 4,544.40/x
  3. Step 3: Cross multiply
    11,117.68x = 16,678.76 × 4,544.40
  4. Step 4: Simplify right side
    11,117.68x = 75,794,956.94
  5. Step 5: Solve for x
    x = 75,794,956.94/11,117.68
  6. Step 6: Final answer
    x = 6,817.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.