Home / 10,969.74-16,461.90-5,126.81

Finding the Fourth Proportional to 10,969.74, 16,461.90 and 5,126.81

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Solution

The fourth proportional to 10,969.74, 16,461.90 and 5,126.81 is: 7,693.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,969.74 : 16,461.90 = 5,126.81 : x
  2. Step 2: Convert to fraction form
    10,969.74/16,461.90 = 5,126.81/x
  3. Step 3: Cross multiply
    10,969.74x = 16,461.90 × 5,126.81
  4. Step 4: Simplify right side
    10,969.74x = 84,396,951.23
  5. Step 5: Solve for x
    x = 84,396,951.23/10,969.74
  6. Step 6: Final answer
    x = 7,693.61

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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.