Home / 6,909.12-10,360.32-2,523.60

Finding the Fourth Proportional to 6,909.12, 10,360.32 and 2,523.60

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Solution

The fourth proportional to 6,909.12, 10,360.32 and 2,523.60 is: 3,784.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,909.12 : 10,360.32 = 2,523.60 : x
  2. Step 2: Convert to fraction form
    6,909.12/10,360.32 = 2,523.60/x
  3. Step 3: Cross multiply
    6,909.12x = 10,360.32 × 2,523.60
  4. Step 4: Simplify right side
    6,909.12x = 26,145,303.55
  5. Step 5: Solve for x
    x = 26,145,303.55/6,909.12
  6. Step 6: Final answer
    x = 3,784.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.