Home / 11,421.24-17,128.79-4,024.74

Finding the Fourth Proportional to 11,421.24, 17,128.79 and 4,024.74

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Solution

The fourth proportional to 11,421.24, 17,128.79 and 4,024.74 is: 6,036.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,421.24 : 17,128.79 = 4,024.74 : x
  2. Step 2: Convert to fraction form
    11,421.24/17,128.79 = 4,024.74/x
  3. Step 3: Cross multiply
    11,421.24x = 17,128.79 × 4,024.74
  4. Step 4: Simplify right side
    11,421.24x = 68,938,926.26
  5. Step 5: Solve for x
    x = 68,938,926.26/11,421.24
  6. Step 6: Final answer
    x = 6,036.03

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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.