Home / 10,220.09-14,103.85-5,743.58

Finding the Fourth Proportional to 10,220.09, 14,103.85 and 5,743.58

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Solution

The fourth proportional to 10,220.09, 14,103.85 and 5,743.58 is: 7,926.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,220.09 : 14,103.85 = 5,743.58 : x
  2. Step 2: Convert to fraction form
    10,220.09/14,103.85 = 5,743.58/x
  3. Step 3: Cross multiply
    10,220.09x = 14,103.85 × 5,743.58
  4. Step 4: Simplify right side
    10,220.09x = 81,006,590.78
  5. Step 5: Solve for x
    x = 81,006,590.78/10,220.09
  6. Step 6: Final answer
    x = 7,926.21

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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.