Home / 8,940.16-13,416.40-4,015.32

Finding the Fourth Proportional to 8,940.16, 13,416.40 and 4,015.32

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Solution

The fourth proportional to 8,940.16, 13,416.40 and 4,015.32 is: 6,025.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,940.16 : 13,416.40 = 4,015.32 : x
  2. Step 2: Convert to fraction form
    8,940.16/13,416.40 = 4,015.32/x
  3. Step 3: Cross multiply
    8,940.16x = 13,416.40 × 4,015.32
  4. Step 4: Simplify right side
    8,940.16x = 53,871,139.25
  5. Step 5: Solve for x
    x = 53,871,139.25/8,940.16
  6. Step 6: Final answer
    x = 6,025.75

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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.