Home / 7,970.13-11,955.09-3,584.49

Finding the Fourth Proportional to 7,970.13, 11,955.09 and 3,584.49

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Solution

The fourth proportional to 7,970.13, 11,955.09 and 3,584.49 is: 5,376.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,970.13 : 11,955.09 = 3,584.49 : x
  2. Step 2: Convert to fraction form
    7,970.13/11,955.09 = 3,584.49/x
  3. Step 3: Cross multiply
    7,970.13x = 11,955.09 × 3,584.49
  4. Step 4: Simplify right side
    7,970.13x = 42,852,869.16
  5. Step 5: Solve for x
    x = 42,852,869.16/7,970.13
  6. Step 6: Final answer
    x = 5,376.68

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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.