Home / 9,055.54-12,497.82-5,518.66

Finding the Fourth Proportional to 9,055.54, 12,497.82 and 5,518.66

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Solution

The fourth proportional to 9,055.54, 12,497.82 and 5,518.66 is: 7,616.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,055.54 : 12,497.82 = 5,518.66 : x
  2. Step 2: Convert to fraction form
    9,055.54/12,497.82 = 5,518.66/x
  3. Step 3: Cross multiply
    9,055.54x = 12,497.82 × 5,518.66
  4. Step 4: Simplify right side
    9,055.54x = 68,971,219.32
  5. Step 5: Solve for x
    x = 68,971,219.32/9,055.54
  6. Step 6: Final answer
    x = 7,616.47

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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.