Home / 8,240.10-12,352.62-3,557.18

Finding the Fourth Proportional to 8,240.10, 12,352.62 and 3,557.18

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Solution

The fourth proportional to 8,240.10, 12,352.62 and 3,557.18 is: 5,332.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,240.10 : 12,352.62 = 3,557.18 : x
  2. Step 2: Convert to fraction form
    8,240.10/12,352.62 = 3,557.18/x
  3. Step 3: Cross multiply
    8,240.10x = 12,352.62 × 3,557.18
  4. Step 4: Simplify right side
    8,240.10x = 43,940,492.81
  5. Step 5: Solve for x
    x = 43,940,492.81/8,240.10
  6. Step 6: Final answer
    x = 5,332.52

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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.