Home / 8,282.45-11,412.47-5,625.24

Finding the Fourth Proportional to 8,282.45, 11,412.47 and 5,625.24

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Solution

The fourth proportional to 8,282.45, 11,412.47 and 5,625.24 is: 7,751.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,282.45 : 11,412.47 = 5,625.24 : x
  2. Step 2: Convert to fraction form
    8,282.45/11,412.47 = 5,625.24/x
  3. Step 3: Cross multiply
    8,282.45x = 11,412.47 × 5,625.24
  4. Step 4: Simplify right side
    8,282.45x = 64,197,854.62
  5. Step 5: Solve for x
    x = 64,197,854.62/8,282.45
  6. Step 6: Final answer
    x = 7,751.08

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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.