Home / 10,656.73-15,990.57-4,737.68

Finding the Fourth Proportional to 10,656.73, 15,990.57 and 4,737.68

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Solution

The fourth proportional to 10,656.73, 15,990.57 and 4,737.68 is: 7,108.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,656.73 : 15,990.57 = 4,737.68 : x
  2. Step 2: Convert to fraction form
    10,656.73/15,990.57 = 4,737.68/x
  3. Step 3: Cross multiply
    10,656.73x = 15,990.57 × 4,737.68
  4. Step 4: Simplify right side
    10,656.73x = 75,758,203.68
  5. Step 5: Solve for x
    x = 75,758,203.68/10,656.73
  6. Step 6: Final answer
    x = 7,108.95

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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.