Home / 7,763.17-10,712.90-4,226.30

Finding the Fourth Proportional to 7,763.17, 10,712.90 and 4,226.30

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Solution

The fourth proportional to 7,763.17, 10,712.90 and 4,226.30 is: 5,832.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,763.17 : 10,712.90 = 4,226.30 : x
  2. Step 2: Convert to fraction form
    7,763.17/10,712.90 = 4,226.30/x
  3. Step 3: Cross multiply
    7,763.17x = 10,712.90 × 4,226.30
  4. Step 4: Simplify right side
    7,763.17x = 45,275,908.14
  5. Step 5: Solve for x
    x = 45,275,908.14/7,763.17
  6. Step 6: Final answer
    x = 5,832.15

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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.