Home / 10,195.27-14,069.69-7,216.45

Finding the Fourth Proportional to 10,195.27, 14,069.69 and 7,216.45

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Solution

The fourth proportional to 10,195.27, 14,069.69 and 7,216.45 is: 9,958.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,195.27 : 14,069.69 = 7,216.45 : x
  2. Step 2: Convert to fraction form
    10,195.27/14,069.69 = 7,216.45/x
  3. Step 3: Cross multiply
    10,195.27x = 14,069.69 × 7,216.45
  4. Step 4: Simplify right side
    10,195.27x = 101,533,214.40
  5. Step 5: Solve for x
    x = 101,533,214.40/10,195.27
  6. Step 6: Final answer
    x = 9,958.85

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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.