Home / 8,821.77-13,232.31-3,555.24

Finding the Fourth Proportional to 8,821.77, 13,232.31 and 3,555.24

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Solution

The fourth proportional to 8,821.77, 13,232.31 and 3,555.24 is: 5,332.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,821.77 : 13,232.31 = 3,555.24 : x
  2. Step 2: Convert to fraction form
    8,821.77/13,232.31 = 3,555.24/x
  3. Step 3: Cross multiply
    8,821.77x = 13,232.31 × 3,555.24
  4. Step 4: Simplify right side
    8,821.77x = 47,044,037.80
  5. Step 5: Solve for x
    x = 47,044,037.80/8,821.77
  6. Step 6: Final answer
    x = 5,332.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.