Home / 11,246.38-15,520.25-6,210.59

Finding the Fourth Proportional to 11,246.38, 15,520.25 and 6,210.59

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Solution

The fourth proportional to 11,246.38, 15,520.25 and 6,210.59 is: 8,570.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,246.38 : 15,520.25 = 6,210.59 : x
  2. Step 2: Convert to fraction form
    11,246.38/15,520.25 = 6,210.59/x
  3. Step 3: Cross multiply
    11,246.38x = 15,520.25 × 6,210.59
  4. Step 4: Simplify right side
    11,246.38x = 96,389,909.45
  5. Step 5: Solve for x
    x = 96,389,909.45/11,246.38
  6. Step 6: Final answer
    x = 8,570.75

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Half scale
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Double scale
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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.