Home / 9,181.19-12,669-5,201.45

Finding the Fourth Proportional to 9,181.19, 12,669 and 5,201.45

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Solution

The fourth proportional to 9,181.19, 12,669 and 5,201.45 is: 7,177.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,181.19 : 12,669 = 5,201.45 : x
  2. Step 2: Convert to fraction form
    9,181.19/12,669 = 5,201.45/x
  3. Step 3: Cross multiply
    9,181.19x = 12,669 × 5,201.45
  4. Step 4: Simplify right side
    9,181.19x = 65,897,106.71
  5. Step 5: Solve for x
    x = 65,897,106.71/9,181.19
  6. Step 6: Final answer
    x = 7,177.41

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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.