Home / 11,562.49-17,342.65-4,987.45

Finding the Fourth Proportional to 11,562.49, 17,342.65 and 4,987.45

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Solution

The fourth proportional to 11,562.49, 17,342.65 and 4,987.45 is: 7,480.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,562.49 : 17,342.65 = 4,987.45 : x
  2. Step 2: Convert to fraction form
    11,562.49/17,342.65 = 4,987.45/x
  3. Step 3: Cross multiply
    11,562.49x = 17,342.65 × 4,987.45
  4. Step 4: Simplify right side
    11,562.49x = 86,495,599.74
  5. Step 5: Solve for x
    x = 86,495,599.74/11,562.49
  6. Step 6: Final answer
    x = 7,480.71

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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.