Home / 10,390.97-15,577.77-4,841.45

Finding the Fourth Proportional to 10,390.97, 15,577.77 and 4,841.45

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Solution

The fourth proportional to 10,390.97, 15,577.77 and 4,841.45 is: 7,258.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,390.97 : 15,577.77 = 4,841.45 : x
  2. Step 2: Convert to fraction form
    10,390.97/15,577.77 = 4,841.45/x
  3. Step 3: Cross multiply
    10,390.97x = 15,577.77 × 4,841.45
  4. Step 4: Simplify right side
    10,390.97x = 75,419,033.51
  5. Step 5: Solve for x
    x = 75,419,033.51/10,390.97
  6. Step 6: Final answer
    x = 7,258.14

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1.5x scale

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.