Home / 10,220.13-14,103.45-5,743.77

Finding the Fourth Proportional to 10,220.13, 14,103.45 and 5,743.77

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Solution

The fourth proportional to 10,220.13, 14,103.45 and 5,743.77 is: 7,926.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,220.13 : 14,103.45 = 5,743.77 : x
  2. Step 2: Convert to fraction form
    10,220.13/14,103.45 = 5,743.77/x
  3. Step 3: Cross multiply
    10,220.13x = 14,103.45 × 5,743.77
  4. Step 4: Simplify right side
    10,220.13x = 81,006,973.01
  5. Step 5: Solve for x
    x = 81,006,973.01/10,220.13
  6. Step 6: Final answer
    x = 7,926.22

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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.