Home / 9,712.86-14,569.29-4,162.60

Finding the Fourth Proportional to 9,712.86, 14,569.29 and 4,162.60

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Solution

The fourth proportional to 9,712.86, 14,569.29 and 4,162.60 is: 6,243.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,712.86 : 14,569.29 = 4,162.60 : x
  2. Step 2: Convert to fraction form
    9,712.86/14,569.29 = 4,162.60/x
  3. Step 3: Cross multiply
    9,712.86x = 14,569.29 × 4,162.60
  4. Step 4: Simplify right side
    9,712.86x = 60,646,126.55
  5. Step 5: Solve for x
    x = 60,646,126.55/9,712.86
  6. Step 6: Final answer
    x = 6,243.90

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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.