Home / 10,102.22-15,153.35-4,904.45

Finding the Fourth Proportional to 10,102.22, 15,153.35 and 4,904.45

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Solution

The fourth proportional to 10,102.22, 15,153.35 and 4,904.45 is: 7,356.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,102.22 : 15,153.35 = 4,904.45 : x
  2. Step 2: Convert to fraction form
    10,102.22/15,153.35 = 4,904.45/x
  3. Step 3: Cross multiply
    10,102.22x = 15,153.35 × 4,904.45
  4. Step 4: Simplify right side
    10,102.22x = 74,318,747.12
  5. Step 5: Solve for x
    x = 74,318,747.12/10,102.22
  6. Step 6: Final answer
    x = 7,356.68

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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.