Home / 11,195.32-15,441.68-9,700.58

Finding the Fourth Proportional to 11,195.32, 15,441.68 and 9,700.58

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Solution

The fourth proportional to 11,195.32, 15,441.68 and 9,700.58 is: 13,379.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,195.32 : 15,441.68 = 9,700.58 : x
  2. Step 2: Convert to fraction form
    11,195.32/15,441.68 = 9,700.58/x
  3. Step 3: Cross multiply
    11,195.32x = 15,441.68 × 9,700.58
  4. Step 4: Simplify right side
    11,195.32x = 149,793,252.17
  5. Step 5: Solve for x
    x = 149,793,252.17/11,195.32
  6. Step 6: Final answer
    x = 13,379.99

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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.