Home / 11,173.48-15,424.22-7,398.47

Finding the Fourth Proportional to 11,173.48, 15,424.22 and 7,398.47

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Solution

The fourth proportional to 11,173.48, 15,424.22 and 7,398.47 is: 10,213.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,173.48 : 15,424.22 = 7,398.47 : x
  2. Step 2: Convert to fraction form
    11,173.48/15,424.22 = 7,398.47/x
  3. Step 3: Cross multiply
    11,173.48x = 15,424.22 × 7,398.47
  4. Step 4: Simplify right side
    11,173.48x = 114,115,686.00
  5. Step 5: Solve for x
    x = 114,115,686.00/11,173.48
  6. Step 6: Final answer
    x = 10,213.09

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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.