Home / 11,703.87-16,151.34-6,398.68

Finding the Fourth Proportional to 11,703.87, 16,151.34 and 6,398.68

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Solution

The fourth proportional to 11,703.87, 16,151.34 and 6,398.68 is: 8,830.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,703.87 : 16,151.34 = 6,398.68 : x
  2. Step 2: Convert to fraction form
    11,703.87/16,151.34 = 6,398.68/x
  3. Step 3: Cross multiply
    11,703.87x = 16,151.34 × 6,398.68
  4. Step 4: Simplify right side
    11,703.87x = 103,347,293.28
  5. Step 5: Solve for x
    x = 103,347,293.28/11,703.87
  6. Step 6: Final answer
    x = 8,830.18

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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.