Home / 7,395.69-10,214.67-6,687.35

Finding the Fourth Proportional to 7,395.69, 10,214.67 and 6,687.35

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Solution

The fourth proportional to 7,395.69, 10,214.67 and 6,687.35 is: 9,236.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,395.69 : 10,214.67 = 6,687.35 : x
  2. Step 2: Convert to fraction form
    7,395.69/10,214.67 = 6,687.35/x
  3. Step 3: Cross multiply
    7,395.69x = 10,214.67 × 6,687.35
  4. Step 4: Simplify right side
    7,395.69x = 68,309,073.42
  5. Step 5: Solve for x
    x = 68,309,073.42/7,395.69
  6. Step 6: Final answer
    x = 9,236.34

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Half scale
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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.