Home / 9,195.18-12,687.93-5,216.10

Finding the Fourth Proportional to 9,195.18, 12,687.93 and 5,216.10

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Solution

The fourth proportional to 9,195.18, 12,687.93 and 5,216.10 is: 7,197.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,195.18 : 12,687.93 = 5,216.10 : x
  2. Step 2: Convert to fraction form
    9,195.18/12,687.93 = 5,216.10/x
  3. Step 3: Cross multiply
    9,195.18x = 12,687.93 × 5,216.10
  4. Step 4: Simplify right side
    9,195.18x = 66,181,511.67
  5. Step 5: Solve for x
    x = 66,181,511.67/9,195.18
  6. Step 6: Final answer
    x = 7,197.41

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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.