Home / 8,415.60-12,622.23-4,465.13

Finding the Fourth Proportional to 8,415.60, 12,622.23 and 4,465.13

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Solution

The fourth proportional to 8,415.60, 12,622.23 and 4,465.13 is: 6,697.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,415.60 : 12,622.23 = 4,465.13 : x
  2. Step 2: Convert to fraction form
    8,415.60/12,622.23 = 4,465.13/x
  3. Step 3: Cross multiply
    8,415.60x = 12,622.23 × 4,465.13
  4. Step 4: Simplify right side
    8,415.60x = 56,359,834.73
  5. Step 5: Solve for x
    x = 56,359,834.73/8,415.60
  6. Step 6: Final answer
    x = 6,697.07

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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.