Home / 9,451.73-13,044.62-5,420.13

Finding the Fourth Proportional to 9,451.73, 13,044.62 and 5,420.13

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Solution

The fourth proportional to 9,451.73, 13,044.62 and 5,420.13 is: 7,480.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,451.73 : 13,044.62 = 5,420.13 : x
  2. Step 2: Convert to fraction form
    9,451.73/13,044.62 = 5,420.13/x
  3. Step 3: Cross multiply
    9,451.73x = 13,044.62 × 5,420.13
  4. Step 4: Simplify right side
    9,451.73x = 70,703,549.75
  5. Step 5: Solve for x
    x = 70,703,549.75/9,451.73
  6. Step 6: Final answer
    x = 7,480.49

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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.