Home / 8,372.40-11,549.88-5,014.32

Finding the Fourth Proportional to 8,372.40, 11,549.88 and 5,014.32

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Solution

The fourth proportional to 8,372.40, 11,549.88 and 5,014.32 is: 6,917.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,372.40 : 11,549.88 = 5,014.32 : x
  2. Step 2: Convert to fraction form
    8,372.40/11,549.88 = 5,014.32/x
  3. Step 3: Cross multiply
    8,372.40x = 11,549.88 × 5,014.32
  4. Step 4: Simplify right side
    8,372.40x = 57,914,794.28
  5. Step 5: Solve for x
    x = 57,914,794.28/8,372.40
  6. Step 6: Final answer
    x = 6,917.35

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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.