Home / 8,317.87-12,442.61-7,587.95

Finding the Fourth Proportional to 8,317.87, 12,442.61 and 7,587.95

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Solution

The fourth proportional to 8,317.87, 12,442.61 and 7,587.95 is: 11,350.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317.87 : 12,442.61 = 7,587.95 : x
  2. Step 2: Convert to fraction form
    8,317.87/12,442.61 = 7,587.95/x
  3. Step 3: Cross multiply
    8,317.87x = 12,442.61 × 7,587.95
  4. Step 4: Simplify right side
    8,317.87x = 94,413,859.31
  5. Step 5: Solve for x
    x = 94,413,859.31/8,317.87
  6. Step 6: Final answer
    x = 11,350.73

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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.