Home / 7,775.96-10,730.45-4,418.30

Finding the Fourth Proportional to 7,775.96, 10,730.45 and 4,418.30

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Solution

The fourth proportional to 7,775.96, 10,730.45 and 4,418.30 is: 6,097.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,775.96 : 10,730.45 = 4,418.30 : x
  2. Step 2: Convert to fraction form
    7,775.96/10,730.45 = 4,418.30/x
  3. Step 3: Cross multiply
    7,775.96x = 10,730.45 × 4,418.30
  4. Step 4: Simplify right side
    7,775.96x = 47,410,271.49
  5. Step 5: Solve for x
    x = 47,410,271.49/7,775.96
  6. Step 6: Final answer
    x = 6,097.04

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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.