Home / 11,070.54-16,615.53-7,179.30

Finding the Fourth Proportional to 11,070.54, 16,615.53 and 7,179.30

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Solution

The fourth proportional to 11,070.54, 16,615.53 and 7,179.30 is: 10,775.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,070.54 : 16,615.53 = 7,179.30 : x
  2. Step 2: Convert to fraction form
    11,070.54/16,615.53 = 7,179.30/x
  3. Step 3: Cross multiply
    11,070.54x = 16,615.53 × 7,179.30
  4. Step 4: Simplify right side
    11,070.54x = 119,287,874.53
  5. Step 5: Solve for x
    x = 119,287,874.53/11,070.54
  6. Step 6: Final answer
    x = 10,775.25

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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.