Home / 11,105.60-15,325.96-6,070.04

Finding the Fourth Proportional to 11,105.60, 15,325.96 and 6,070.04

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Solution

The fourth proportional to 11,105.60, 15,325.96 and 6,070.04 is: 8,376.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,105.60 : 15,325.96 = 6,070.04 : x
  2. Step 2: Convert to fraction form
    11,105.60/15,325.96 = 6,070.04/x
  3. Step 3: Cross multiply
    11,105.60x = 15,325.96 × 6,070.04
  4. Step 4: Simplify right side
    11,105.60x = 93,029,190.24
  5. Step 5: Solve for x
    x = 93,029,190.24/11,105.60
  6. Step 6: Final answer
    x = 8,376.78

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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.