Home / 10,407.72-15,613.88-4,858.03

Finding the Fourth Proportional to 10,407.72, 15,613.88 and 4,858.03

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Solution

The fourth proportional to 10,407.72, 15,613.88 and 4,858.03 is: 7,288.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,407.72 : 15,613.88 = 4,858.03 : x
  2. Step 2: Convert to fraction form
    10,407.72/15,613.88 = 4,858.03/x
  3. Step 3: Cross multiply
    10,407.72x = 15,613.88 × 4,858.03
  4. Step 4: Simplify right side
    10,407.72x = 75,852,710.90
  5. Step 5: Solve for x
    x = 75,852,710.90/10,407.72
  6. Step 6: Final answer
    x = 7,288.12

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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.