Home / 9,799.43-13,519.40-5,549.51

Finding the Fourth Proportional to 9,799.43, 13,519.40 and 5,549.51

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Solution

The fourth proportional to 9,799.43, 13,519.40 and 5,549.51 is: 7,656.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,799.43 : 13,519.40 = 5,549.51 : x
  2. Step 2: Convert to fraction form
    9,799.43/13,519.40 = 5,549.51/x
  3. Step 3: Cross multiply
    9,799.43x = 13,519.40 × 5,549.51
  4. Step 4: Simplify right side
    9,799.43x = 75,026,051.54
  5. Step 5: Solve for x
    x = 75,026,051.54/9,799.43
  6. Step 6: Final answer
    x = 7,656.16

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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.