Home / 8,924.16-13,391.10-5,405.52

Finding the Fourth Proportional to 8,924.16, 13,391.10 and 5,405.52

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Solution

The fourth proportional to 8,924.16, 13,391.10 and 5,405.52 is: 8,111.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,924.16 : 13,391.10 = 5,405.52 : x
  2. Step 2: Convert to fraction form
    8,924.16/13,391.10 = 5,405.52/x
  3. Step 3: Cross multiply
    8,924.16x = 13,391.10 × 5,405.52
  4. Step 4: Simplify right side
    8,924.16x = 72,385,858.87
  5. Step 5: Solve for x
    x = 72,385,858.87/8,924.16
  6. Step 6: Final answer
    x = 8,111.22

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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.