Home / 7,747.80-10,693.44-4,605.72

Finding the Fourth Proportional to 7,747.80, 10,693.44 and 4,605.72

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Solution

The fourth proportional to 7,747.80, 10,693.44 and 4,605.72 is: 6,356.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,747.80 : 10,693.44 = 4,605.72 : x
  2. Step 2: Convert to fraction form
    7,747.80/10,693.44 = 4,605.72/x
  3. Step 3: Cross multiply
    7,747.80x = 10,693.44 × 4,605.72
  4. Step 4: Simplify right side
    7,747.80x = 49,250,990.48
  5. Step 5: Solve for x
    x = 49,250,990.48/7,747.80
  6. Step 6: Final answer
    x = 6,356.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.