Home / 11,107.58-15,328.45-6,633.95

Finding the Fourth Proportional to 11,107.58, 15,328.45 and 6,633.95

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Solution

The fourth proportional to 11,107.58, 15,328.45 and 6,633.95 is: 9,154.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,107.58 : 15,328.45 = 6,633.95 : x
  2. Step 2: Convert to fraction form
    11,107.58/15,328.45 = 6,633.95/x
  3. Step 3: Cross multiply
    11,107.58x = 15,328.45 × 6,633.95
  4. Step 4: Simplify right side
    11,107.58x = 101,688,213.20
  5. Step 5: Solve for x
    x = 101,688,213.20/11,107.58
  6. Step 6: Final answer
    x = 9,154.85

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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.