Home / 9,710.33-13,396.79-5,729.45

Finding the Fourth Proportional to 9,710.33, 13,396.79 and 5,729.45

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Solution

The fourth proportional to 9,710.33, 13,396.79 and 5,729.45 is: 7,904.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,710.33 : 13,396.79 = 5,729.45 : x
  2. Step 2: Convert to fraction form
    9,710.33/13,396.79 = 5,729.45/x
  3. Step 3: Cross multiply
    9,710.33x = 13,396.79 × 5,729.45
  4. Step 4: Simplify right side
    9,710.33x = 76,756,185.81
  5. Step 5: Solve for x
    x = 76,756,185.81/9,710.33
  6. Step 6: Final answer
    x = 7,904.59

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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.