Home / 10,904.91-16,314.84-9,578.13

Finding the Fourth Proportional to 10,904.91, 16,314.84 and 9,578.13

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Solution

The fourth proportional to 10,904.91, 16,314.84 and 9,578.13 is: 14,329.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,904.91 : 16,314.84 = 9,578.13 : x
  2. Step 2: Convert to fraction form
    10,904.91/16,314.84 = 9,578.13/x
  3. Step 3: Cross multiply
    10,904.91x = 16,314.84 × 9,578.13
  4. Step 4: Simplify right side
    10,904.91x = 156,265,658.45
  5. Step 5: Solve for x
    x = 156,265,658.45/10,904.91
  6. Step 6: Final answer
    x = 14,329.84

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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.