Home / 8,302.15-12,453.18-3,557.61

Finding the Fourth Proportional to 8,302.15, 12,453.18 and 3,557.61

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Solution

The fourth proportional to 8,302.15, 12,453.18 and 3,557.61 is: 5,336.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,302.15 : 12,453.18 = 3,557.61 : x
  2. Step 2: Convert to fraction form
    8,302.15/12,453.18 = 3,557.61/x
  3. Step 3: Cross multiply
    8,302.15x = 12,453.18 × 3,557.61
  4. Step 4: Simplify right side
    8,302.15x = 44,303,587.72
  5. Step 5: Solve for x
    x = 44,303,587.72/8,302.15
  6. Step 6: Final answer
    x = 5,336.40

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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.