Home / 9,005.75-13,509.13-2,432.45

Finding the Fourth Proportional to 9,005.75, 13,509.13 and 2,432.45

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Solution

The fourth proportional to 9,005.75, 13,509.13 and 2,432.45 is: 3,648.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,005.75 : 13,509.13 = 2,432.45 : x
  2. Step 2: Convert to fraction form
    9,005.75/13,509.13 = 2,432.45/x
  3. Step 3: Cross multiply
    9,005.75x = 13,509.13 × 2,432.45
  4. Step 4: Simplify right side
    9,005.75x = 32,860,310.96
  5. Step 5: Solve for x
    x = 32,860,310.96/9,005.75
  6. Step 6: Final answer
    x = 3,648.82

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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.