Home / 6,165.12-8,500.44-4,278.32

Finding the Fourth Proportional to 6,165.12, 8,500.44 and 4,278.32

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Solution

The fourth proportional to 6,165.12, 8,500.44 and 4,278.32 is: 5,898.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,165.12 : 8,500.44 = 4,278.32 : x
  2. Step 2: Convert to fraction form
    6,165.12/8,500.44 = 4,278.32/x
  3. Step 3: Cross multiply
    6,165.12x = 8,500.44 × 4,278.32
  4. Step 4: Simplify right side
    6,165.12x = 36,367,602.46
  5. Step 5: Solve for x
    x = 36,367,602.46/6,165.12
  6. Step 6: Final answer
    x = 5,898.93

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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.