Home / 11,357.86-17,036.08-4,240.71

Finding the Fourth Proportional to 11,357.86, 17,036.08 and 4,240.71

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Solution

The fourth proportional to 11,357.86, 17,036.08 and 4,240.71 is: 6,360.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,357.86 : 17,036.08 = 4,240.71 : x
  2. Step 2: Convert to fraction form
    11,357.86/17,036.08 = 4,240.71/x
  3. Step 3: Cross multiply
    11,357.86x = 17,036.08 × 4,240.71
  4. Step 4: Simplify right side
    11,357.86x = 72,245,074.82
  5. Step 5: Solve for x
    x = 72,245,074.82/11,357.86
  6. Step 6: Final answer
    x = 6,360.80

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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.