Home / 10,949.14-15,109.01-6,700.89

Finding the Fourth Proportional to 10,949.14, 15,109.01 and 6,700.89

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Solution

The fourth proportional to 10,949.14, 15,109.01 and 6,700.89 is: 9,246.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,949.14 : 15,109.01 = 6,700.89 : x
  2. Step 2: Convert to fraction form
    10,949.14/15,109.01 = 6,700.89/x
  3. Step 3: Cross multiply
    10,949.14x = 15,109.01 × 6,700.89
  4. Step 4: Simplify right side
    10,949.14x = 101,243,814.02
  5. Step 5: Solve for x
    x = 101,243,814.02/10,949.14
  6. Step 6: Final answer
    x = 9,246.74

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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.