Home / 8,922.16-13,388.10-5,403.52

Finding the Fourth Proportional to 8,922.16, 13,388.10 and 5,403.52

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Solution

The fourth proportional to 8,922.16, 13,388.10 and 5,403.52 is: 8,108.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,922.16 : 13,388.10 = 5,403.52 : x
  2. Step 2: Convert to fraction form
    8,922.16/13,388.10 = 5,403.52/x
  3. Step 3: Cross multiply
    8,922.16x = 13,388.10 × 5,403.52
  4. Step 4: Simplify right side
    8,922.16x = 72,342,866.11
  5. Step 5: Solve for x
    x = 72,342,866.11/8,922.16
  6. Step 6: Final answer
    x = 8,108.22

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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.