Home / 10,111.28-13,952.44-5,634.68

Finding the Fourth Proportional to 10,111.28, 13,952.44 and 5,634.68

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Solution

The fourth proportional to 10,111.28, 13,952.44 and 5,634.68 is: 7,775.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,111.28 : 13,952.44 = 5,634.68 : x
  2. Step 2: Convert to fraction form
    10,111.28/13,952.44 = 5,634.68/x
  3. Step 3: Cross multiply
    10,111.28x = 13,952.44 × 5,634.68
  4. Step 4: Simplify right side
    10,111.28x = 78,617,534.62
  5. Step 5: Solve for x
    x = 78,617,534.62/10,111.28
  6. Step 6: Final answer
    x = 7,775.23

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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.