Home / 8,356.15-12,535.54-3,358.51

Finding the Fourth Proportional to 8,356.15, 12,535.54 and 3,358.51

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Solution

The fourth proportional to 8,356.15, 12,535.54 and 3,358.51 is: 5,038.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,356.15 : 12,535.54 = 3,358.51 : x
  2. Step 2: Convert to fraction form
    8,356.15/12,535.54 = 3,358.51/x
  3. Step 3: Cross multiply
    8,356.15x = 12,535.54 × 3,358.51
  4. Step 4: Simplify right side
    8,356.15x = 42,100,786.11
  5. Step 5: Solve for x
    x = 42,100,786.11/8,356.15
  6. Step 6: Final answer
    x = 5,038.30

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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.