Home / 10,849.14-14,965.56-6,863.40

Finding the Fourth Proportional to 10,849.14, 14,965.56 and 6,863.40

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Solution

The fourth proportional to 10,849.14, 14,965.56 and 6,863.40 is: 9,467.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,849.14 : 14,965.56 = 6,863.40 : x
  2. Step 2: Convert to fraction form
    10,849.14/14,965.56 = 6,863.40/x
  3. Step 3: Cross multiply
    10,849.14x = 14,965.56 × 6,863.40
  4. Step 4: Simplify right side
    10,849.14x = 102,714,624.50
  5. Step 5: Solve for x
    x = 102,714,624.50/10,849.14
  6. Step 6: Final answer
    x = 9,467.54

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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.