Home / 10,505.28-15,744.60-4,946.52

Finding the Fourth Proportional to 10,505.28, 15,744.60 and 4,946.52

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Solution

The fourth proportional to 10,505.28, 15,744.60 and 4,946.52 is: 7,413.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,505.28 : 15,744.60 = 4,946.52 : x
  2. Step 2: Convert to fraction form
    10,505.28/15,744.60 = 4,946.52/x
  3. Step 3: Cross multiply
    10,505.28x = 15,744.60 × 4,946.52
  4. Step 4: Simplify right side
    10,505.28x = 77,880,978.79
  5. Step 5: Solve for x
    x = 77,880,978.79/10,505.28
  6. Step 6: Final answer
    x = 7,413.51

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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.