Home / 8,380.48-11,565.18-4,603.98

Finding the Fourth Proportional to 8,380.48, 11,565.18 and 4,603.98

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Solution

The fourth proportional to 8,380.48, 11,565.18 and 4,603.98 is: 6,353.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,380.48 : 11,565.18 = 4,603.98 : x
  2. Step 2: Convert to fraction form
    8,380.48/11,565.18 = 4,603.98/x
  3. Step 3: Cross multiply
    8,380.48x = 11,565.18 × 4,603.98
  4. Step 4: Simplify right side
    8,380.48x = 53,245,900.79
  5. Step 5: Solve for x
    x = 53,245,900.79/8,380.48
  6. Step 6: Final answer
    x = 6,353.56

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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.