Home / 8,800.77-12,145.37-4,821.87

Finding the Fourth Proportional to 8,800.77, 12,145.37 and 4,821.87

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Solution

The fourth proportional to 8,800.77, 12,145.37 and 4,821.87 is: 6,654.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,800.77 : 12,145.37 = 4,821.87 : x
  2. Step 2: Convert to fraction form
    8,800.77/12,145.37 = 4,821.87/x
  3. Step 3: Cross multiply
    8,800.77x = 12,145.37 × 4,821.87
  4. Step 4: Simplify right side
    8,800.77x = 58,563,371.13
  5. Step 5: Solve for x
    x = 58,563,371.13/8,800.77
  6. Step 6: Final answer
    x = 6,654.35

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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.