Home / 12,403.08-17,116.18-6,813.96

Finding the Fourth Proportional to 12,403.08, 17,116.18 and 6,813.96

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Solution

The fourth proportional to 12,403.08, 17,116.18 and 6,813.96 is: 9,403.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,403.08 : 17,116.18 = 6,813.96 : x
  2. Step 2: Convert to fraction form
    12,403.08/17,116.18 = 6,813.96/x
  3. Step 3: Cross multiply
    12,403.08x = 17,116.18 × 6,813.96
  4. Step 4: Simplify right side
    12,403.08x = 116,628,965.87
  5. Step 5: Solve for x
    x = 116,628,965.87/12,403.08
  6. Step 6: Final answer
    x = 9,403.23

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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.