Home / 11,385.04-17,078.64-4,460.08

Finding the Fourth Proportional to 11,385.04, 17,078.64 and 4,460.08

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Solution

The fourth proportional to 11,385.04, 17,078.64 and 4,460.08 is: 6,690.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,385.04 : 17,078.64 = 4,460.08 : x
  2. Step 2: Convert to fraction form
    11,385.04/17,078.64 = 4,460.08/x
  3. Step 3: Cross multiply
    11,385.04x = 17,078.64 × 4,460.08
  4. Step 4: Simplify right side
    11,385.04x = 76,172,100.69
  5. Step 5: Solve for x
    x = 76,172,100.69/11,385.04
  6. Step 6: Final answer
    x = 6,690.54

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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.