Home / 7,749.62-10,695.40-4,605.82

Finding the Fourth Proportional to 7,749.62, 10,695.40 and 4,605.82

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Solution

The fourth proportional to 7,749.62, 10,695.40 and 4,605.82 is: 6,356.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,749.62 : 10,695.40 = 4,605.82 : x
  2. Step 2: Convert to fraction form
    7,749.62/10,695.40 = 4,605.82/x
  3. Step 3: Cross multiply
    7,749.62x = 10,695.40 × 4,605.82
  4. Step 4: Simplify right side
    7,749.62x = 49,261,087.23
  5. Step 5: Solve for x
    x = 49,261,087.23/7,749.62
  6. Step 6: Final answer
    x = 6,356.58

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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.