Home / 11,078.84-16,606.60-3,681.32

Finding the Fourth Proportional to 11,078.84, 16,606.60 and 3,681.32

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Solution

The fourth proportional to 11,078.84, 16,606.60 and 3,681.32 is: 5,518.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,078.84 : 16,606.60 = 3,681.32 : x
  2. Step 2: Convert to fraction form
    11,078.84/16,606.60 = 3,681.32/x
  3. Step 3: Cross multiply
    11,078.84x = 16,606.60 × 3,681.32
  4. Step 4: Simplify right side
    11,078.84x = 61,134,116.48
  5. Step 5: Solve for x
    x = 61,134,116.48/11,078.84
  6. Step 6: Final answer
    x = 5,518.10

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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.