Home / 8,909.42-13,360.36-2,670.32

Finding the Fourth Proportional to 8,909.42, 13,360.36 and 2,670.32

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Solution

The fourth proportional to 8,909.42, 13,360.36 and 2,670.32 is: 4,004.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,909.42 : 13,360.36 = 2,670.32 : x
  2. Step 2: Convert to fraction form
    8,909.42/13,360.36 = 2,670.32/x
  3. Step 3: Cross multiply
    8,909.42x = 13,360.36 × 2,670.32
  4. Step 4: Simplify right side
    8,909.42x = 35,676,436.52
  5. Step 5: Solve for x
    x = 35,676,436.52/8,909.42
  6. Step 6: Final answer
    x = 4,004.35

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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.