Home / 12,400.49-17,110.01-7,366.40

Finding the Fourth Proportional to 12,400.49, 17,110.01 and 7,366.40

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Solution

The fourth proportional to 12,400.49, 17,110.01 and 7,366.40 is: 10,164.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,400.49 : 17,110.01 = 7,366.40 : x
  2. Step 2: Convert to fraction form
    12,400.49/17,110.01 = 7,366.40/x
  3. Step 3: Cross multiply
    12,400.49x = 17,110.01 × 7,366.40
  4. Step 4: Simplify right side
    12,400.49x = 126,039,229.50
  5. Step 5: Solve for x
    x = 126,039,229.50/12,400.49
  6. Step 6: Final answer
    x = 10,164.05

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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.