Home / 8,537.18-11,788.58-5,355.83

Finding the Fourth Proportional to 8,537.18, 11,788.58 and 5,355.83

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Solution

The fourth proportional to 8,537.18, 11,788.58 and 5,355.83 is: 7,395.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,537.18 : 11,788.58 = 5,355.83 : x
  2. Step 2: Convert to fraction form
    8,537.18/11,788.58 = 5,355.83/x
  3. Step 3: Cross multiply
    8,537.18x = 11,788.58 × 5,355.83
  4. Step 4: Simplify right side
    8,537.18x = 63,137,673.28
  5. Step 5: Solve for x
    x = 63,137,673.28/8,537.18
  6. Step 6: Final answer
    x = 7,395.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.