Home / 11,130.30-16,695.45-9,834.30

Finding the Fourth Proportional to 11,130.30, 16,695.45 and 9,834.30

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Solution

The fourth proportional to 11,130.30, 16,695.45 and 9,834.30 is: 14,751.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,130.30 : 16,695.45 = 9,834.30 : x
  2. Step 2: Convert to fraction form
    11,130.30/16,695.45 = 9,834.30/x
  3. Step 3: Cross multiply
    11,130.30x = 16,695.45 × 9,834.30
  4. Step 4: Simplify right side
    11,130.30x = 164,188,063.94
  5. Step 5: Solve for x
    x = 164,188,063.94/11,130.30
  6. Step 6: Final answer
    x = 14,751.45

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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.