Home / 8,495.60-12,730.40-3,562.55

Finding the Fourth Proportional to 8,495.60, 12,730.40 and 3,562.55

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Solution

The fourth proportional to 8,495.60, 12,730.40 and 3,562.55 is: 5,338.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,495.60 : 12,730.40 = 3,562.55 : x
  2. Step 2: Convert to fraction form
    8,495.60/12,730.40 = 3,562.55/x
  3. Step 3: Cross multiply
    8,495.60x = 12,730.40 × 3,562.55
  4. Step 4: Simplify right side
    8,495.60x = 45,352,605.06
  5. Step 5: Solve for x
    x = 45,352,605.06/8,495.60
  6. Step 6: Final answer
    x = 5,338.37

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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.