Home / 7,504.13-10,355.70-4,192.13

Finding the Fourth Proportional to 7,504.13, 10,355.70 and 4,192.13

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Solution

The fourth proportional to 7,504.13, 10,355.70 and 4,192.13 is: 5,785.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,504.13 : 10,355.70 = 4,192.13 : x
  2. Step 2: Convert to fraction form
    7,504.13/10,355.70 = 4,192.13/x
  3. Step 3: Cross multiply
    7,504.13x = 10,355.70 × 4,192.13
  4. Step 4: Simplify right side
    7,504.13x = 43,412,367.90
  5. Step 5: Solve for x
    x = 43,412,367.90/7,504.13
  6. Step 6: Final answer
    x = 5,785.13

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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.