Home / 10,460.12-15,674.60-5,781.46

Finding the Fourth Proportional to 10,460.12, 15,674.60 and 5,781.46

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Solution

The fourth proportional to 10,460.12, 15,674.60 and 5,781.46 is: 8,663.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,460.12 : 15,674.60 = 5,781.46 : x
  2. Step 2: Convert to fraction form
    10,460.12/15,674.60 = 5,781.46/x
  3. Step 3: Cross multiply
    10,460.12x = 15,674.60 × 5,781.46
  4. Step 4: Simplify right side
    10,460.12x = 90,622,135.57
  5. Step 5: Solve for x
    x = 90,622,135.57/10,460.12
  6. Step 6: Final answer
    x = 8,663.58

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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.