Home / 7,424.54-11,180.56-5,359.10

Finding the Fourth Proportional to 7,424.54, 11,180.56 and 5,359.10

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Solution

The fourth proportional to 7,424.54, 11,180.56 and 5,359.10 is: 8,070.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,424.54 : 11,180.56 = 5,359.10 : x
  2. Step 2: Convert to fraction form
    7,424.54/11,180.56 = 5,359.10/x
  3. Step 3: Cross multiply
    7,424.54x = 11,180.56 × 5,359.10
  4. Step 4: Simplify right side
    7,424.54x = 59,917,739.10
  5. Step 5: Solve for x
    x = 59,917,739.10/7,424.54
  6. Step 6: Final answer
    x = 8,070.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.