Home / 7,358.79-11,025.95-4,431.09

Finding the Fourth Proportional to 7,358.79, 11,025.95 and 4,431.09

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Solution

The fourth proportional to 7,358.79, 11,025.95 and 4,431.09 is: 6,639.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,358.79 : 11,025.95 = 4,431.09 : x
  2. Step 2: Convert to fraction form
    7,358.79/11,025.95 = 4,431.09/x
  3. Step 3: Cross multiply
    7,358.79x = 11,025.95 × 4,431.09
  4. Step 4: Simplify right side
    7,358.79x = 48,856,954.63
  5. Step 5: Solve for x
    x = 48,856,954.63/7,358.79
  6. Step 6: Final answer
    x = 6,639.26

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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.