Home / 11,750.81-16,217.01-6,715.25

Finding the Fourth Proportional to 11,750.81, 16,217.01 and 6,715.25

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Solution

The fourth proportional to 11,750.81, 16,217.01 and 6,715.25 is: 9,267.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,750.81 : 16,217.01 = 6,715.25 : x
  2. Step 2: Convert to fraction form
    11,750.81/16,217.01 = 6,715.25/x
  3. Step 3: Cross multiply
    11,750.81x = 16,217.01 × 6,715.25
  4. Step 4: Simplify right side
    11,750.81x = 108,901,195.32
  5. Step 5: Solve for x
    x = 108,901,195.32/11,750.81
  6. Step 6: Final answer
    x = 9,267.55

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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.