Home / 10,473.72-15,689.36-4,843.40

Finding the Fourth Proportional to 10,473.72, 15,689.36 and 4,843.40

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Solution

The fourth proportional to 10,473.72, 15,689.36 and 4,843.40 is: 7,255.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,473.72 : 15,689.36 = 4,843.40 : x
  2. Step 2: Convert to fraction form
    10,473.72/15,689.36 = 4,843.40/x
  3. Step 3: Cross multiply
    10,473.72x = 15,689.36 × 4,843.40
  4. Step 4: Simplify right side
    10,473.72x = 75,989,743.56
  5. Step 5: Solve for x
    x = 75,989,743.56/10,473.72
  6. Step 6: Final answer
    x = 7,255.28

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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.