Home / 7,385.32-10,193.68-4,200.48

Finding the Fourth Proportional to 7,385.32, 10,193.68 and 4,200.48

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Solution

The fourth proportional to 7,385.32, 10,193.68 and 4,200.48 is: 5,797.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.32 : 10,193.68 = 4,200.48 : x
  2. Step 2: Convert to fraction form
    7,385.32/10,193.68 = 4,200.48/x
  3. Step 3: Cross multiply
    7,385.32x = 10,193.68 × 4,200.48
  4. Step 4: Simplify right side
    7,385.32x = 42,818,354.22
  5. Step 5: Solve for x
    x = 42,818,354.22/7,385.32
  6. Step 6: Final answer
    x = 5,797.76

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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.