Home / 11,210.85-15,470.96-6,175.15

Finding the Fourth Proportional to 11,210.85, 15,470.96 and 6,175.15

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Solution

The fourth proportional to 11,210.85, 15,470.96 and 6,175.15 is: 8,521.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,210.85 : 15,470.96 = 6,175.15 : x
  2. Step 2: Convert to fraction form
    11,210.85/15,470.96 = 6,175.15/x
  3. Step 3: Cross multiply
    11,210.85x = 15,470.96 × 6,175.15
  4. Step 4: Simplify right side
    11,210.85x = 95,535,429.09
  5. Step 5: Solve for x
    x = 95,535,429.09/11,210.85
  6. Step 6: Final answer
    x = 8,521.69

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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.