Home / 6,360.68-8,778.18-3,528.32

Finding the Fourth Proportional to 6,360.68, 8,778.18 and 3,528.32

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Solution

The fourth proportional to 6,360.68, 8,778.18 and 3,528.32 is: 4,869.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,360.68 : 8,778.18 = 3,528.32 : x
  2. Step 2: Convert to fraction form
    6,360.68/8,778.18 = 3,528.32/x
  3. Step 3: Cross multiply
    6,360.68x = 8,778.18 × 3,528.32
  4. Step 4: Simplify right side
    6,360.68x = 30,972,210.42
  5. Step 5: Solve for x
    x = 30,972,210.42/6,360.68
  6. Step 6: Final answer
    x = 4,869.33

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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.