Home / 7,800.14-10,764.20-4,263.35

Finding the Fourth Proportional to 7,800.14, 10,764.20 and 4,263.35

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Solution

The fourth proportional to 7,800.14, 10,764.20 and 4,263.35 is: 5,883.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,800.14 : 10,764.20 = 4,263.35 : x
  2. Step 2: Convert to fraction form
    7,800.14/10,764.20 = 4,263.35/x
  3. Step 3: Cross multiply
    7,800.14x = 10,764.20 × 4,263.35
  4. Step 4: Simplify right side
    7,800.14x = 45,891,557.66
  5. Step 5: Solve for x
    x = 45,891,557.66/7,800.14
  6. Step 6: Final answer
    x = 5,883.43

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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.