Home / 7,581.47-11,373.44-2,386.13

Finding the Fourth Proportional to 7,581.47, 11,373.44 and 2,386.13

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Solution

The fourth proportional to 7,581.47, 11,373.44 and 2,386.13 is: 3,579.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,581.47 : 11,373.44 = 2,386.13 : x
  2. Step 2: Convert to fraction form
    7,581.47/11,373.44 = 2,386.13/x
  3. Step 3: Cross multiply
    7,581.47x = 11,373.44 × 2,386.13
  4. Step 4: Simplify right side
    7,581.47x = 27,138,437.59
  5. Step 5: Solve for x
    x = 27,138,437.59/7,581.47
  6. Step 6: Final answer
    x = 3,579.58

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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.