Home / 11,224.37-15,482.53-8,031.35

Finding the Fourth Proportional to 11,224.37, 15,482.53 and 8,031.35

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Solution

The fourth proportional to 11,224.37, 15,482.53 and 8,031.35 is: 11,078.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,224.37 : 15,482.53 = 8,031.35 : x
  2. Step 2: Convert to fraction form
    11,224.37/15,482.53 = 8,031.35/x
  3. Step 3: Cross multiply
    11,224.37x = 15,482.53 × 8,031.35
  4. Step 4: Simplify right side
    11,224.37x = 124,345,617.32
  5. Step 5: Solve for x
    x = 124,345,617.32/11,224.37
  6. Step 6: Final answer
    x = 11,078.18

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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.