Home / 8,468.58-12,651.36-5,482.70

Finding the Fourth Proportional to 8,468.58, 12,651.36 and 5,482.70

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Solution

The fourth proportional to 8,468.58, 12,651.36 and 5,482.70 is: 8,190.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,468.58 : 12,651.36 = 5,482.70 : x
  2. Step 2: Convert to fraction form
    8,468.58/12,651.36 = 5,482.70/x
  3. Step 3: Cross multiply
    8,468.58x = 12,651.36 × 5,482.70
  4. Step 4: Simplify right side
    8,468.58x = 69,363,527.66
  5. Step 5: Solve for x
    x = 69,363,527.66/8,468.58
  6. Step 6: Final answer
    x = 8,190.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.