Home / 7,868.01-10,857.52-4,508.48

Finding the Fourth Proportional to 7,868.01, 10,857.52 and 4,508.48

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Solution

The fourth proportional to 7,868.01, 10,857.52 and 4,508.48 is: 6,221.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,868.01 : 10,857.52 = 4,508.48 : x
  2. Step 2: Convert to fraction form
    7,868.01/10,857.52 = 4,508.48/x
  3. Step 3: Cross multiply
    7,868.01x = 10,857.52 × 4,508.48
  4. Step 4: Simplify right side
    7,868.01x = 48,950,923.04
  5. Step 5: Solve for x
    x = 48,950,923.04/7,868.01
  6. Step 6: Final answer
    x = 6,221.52

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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.