Home / 11,364.08-17,050.80-5,122.40

Finding the Fourth Proportional to 11,364.08, 17,050.80 and 5,122.40

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Solution

The fourth proportional to 11,364.08, 17,050.80 and 5,122.40 is: 7,685.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,364.08 : 17,050.80 = 5,122.40 : x
  2. Step 2: Convert to fraction form
    11,364.08/17,050.80 = 5,122.40/x
  3. Step 3: Cross multiply
    11,364.08x = 17,050.80 × 5,122.40
  4. Step 4: Simplify right side
    11,364.08x = 87,341,017.92
  5. Step 5: Solve for x
    x = 87,341,017.92/11,364.08
  6. Step 6: Final answer
    x = 7,685.71

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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.