Home / 8,825.22-12,176.93-5,240.06

Finding the Fourth Proportional to 8,825.22, 12,176.93 and 5,240.06

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Solution

The fourth proportional to 8,825.22, 12,176.93 and 5,240.06 is: 7,230.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,825.22 : 12,176.93 = 5,240.06 : x
  2. Step 2: Convert to fraction form
    8,825.22/12,176.93 = 5,240.06/x
  3. Step 3: Cross multiply
    8,825.22x = 12,176.93 × 5,240.06
  4. Step 4: Simplify right side
    8,825.22x = 63,807,756.73
  5. Step 5: Solve for x
    x = 63,807,756.73/8,825.22
  6. Step 6: Final answer
    x = 7,230.16

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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.