Home / 10,092.08-15,129.60-4,824.20

Finding the Fourth Proportional to 10,092.08, 15,129.60 and 4,824.20

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Solution

The fourth proportional to 10,092.08, 15,129.60 and 4,824.20 is: 7,232.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,092.08 : 15,129.60 = 4,824.20 : x
  2. Step 2: Convert to fraction form
    10,092.08/15,129.60 = 4,824.20/x
  3. Step 3: Cross multiply
    10,092.08x = 15,129.60 × 4,824.20
  4. Step 4: Simplify right side
    10,092.08x = 72,988,216.32
  5. Step 5: Solve for x
    x = 72,988,216.32/10,092.08
  6. Step 6: Final answer
    x = 7,232.23

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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.