Home / 7,385.94-10,192.20-4,242.13

Finding the Fourth Proportional to 7,385.94, 10,192.20 and 4,242.13

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Solution

The fourth proportional to 7,385.94, 10,192.20 and 4,242.13 is: 5,853.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.94 : 10,192.20 = 4,242.13 : x
  2. Step 2: Convert to fraction form
    7,385.94/10,192.20 = 4,242.13/x
  3. Step 3: Cross multiply
    7,385.94x = 10,192.20 × 4,242.13
  4. Step 4: Simplify right side
    7,385.94x = 43,236,596.00
  5. Step 5: Solve for x
    x = 43,236,596.00/7,385.94
  6. Step 6: Final answer
    x = 5,853.91

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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.