Home / 11,969.27-16,515.18-7,250.81

Finding the Fourth Proportional to 11,969.27, 16,515.18 and 7,250.81

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Solution

The fourth proportional to 11,969.27, 16,515.18 and 7,250.81 is: 10,004.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,969.27 : 16,515.18 = 7,250.81 : x
  2. Step 2: Convert to fraction form
    11,969.27/16,515.18 = 7,250.81/x
  3. Step 3: Cross multiply
    11,969.27x = 16,515.18 × 7,250.81
  4. Step 4: Simplify right side
    11,969.27x = 119,748,432.30
  5. Step 5: Solve for x
    x = 119,748,432.30/11,969.27
  6. Step 6: Final answer
    x = 10,004.66

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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.