Home / 10,171.91-14,053.28-9,618.27

Finding the Fourth Proportional to 10,171.91, 14,053.28 and 9,618.27

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Solution

The fourth proportional to 10,171.91, 14,053.28 and 9,618.27 is: 13,288.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,171.91 : 14,053.28 = 9,618.27 : x
  2. Step 2: Convert to fraction form
    10,171.91/14,053.28 = 9,618.27/x
  3. Step 3: Cross multiply
    10,171.91x = 14,053.28 × 9,618.27
  4. Step 4: Simplify right side
    10,171.91x = 135,168,193.33
  5. Step 5: Solve for x
    x = 135,168,193.33/10,171.91
  6. Step 6: Final answer
    x = 13,288.39

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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.