Home / 8,117.28-11,197.44-5,322.24

Finding the Fourth Proportional to 8,117.28, 11,197.44 and 5,322.24

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Solution

The fourth proportional to 8,117.28, 11,197.44 and 5,322.24 is: 7,341.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,117.28 : 11,197.44 = 5,322.24 : x
  2. Step 2: Convert to fraction form
    8,117.28/11,197.44 = 5,322.24/x
  3. Step 3: Cross multiply
    8,117.28x = 11,197.44 × 5,322.24
  4. Step 4: Simplify right side
    8,117.28x = 59,595,463.07
  5. Step 5: Solve for x
    x = 59,595,463.07/8,117.28
  6. Step 6: Final answer
    x = 7,341.80

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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.