Home / 9,205.16-12,703.19-5,226.35

Finding the Fourth Proportional to 9,205.16, 12,703.19 and 5,226.35

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Solution

The fourth proportional to 9,205.16, 12,703.19 and 5,226.35 is: 7,212.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,205.16 : 12,703.19 = 5,226.35 : x
  2. Step 2: Convert to fraction form
    9,205.16/12,703.19 = 5,226.35/x
  3. Step 3: Cross multiply
    9,205.16x = 12,703.19 × 5,226.35
  4. Step 4: Simplify right side
    9,205.16x = 66,391,227.41
  5. Step 5: Solve for x
    x = 66,391,227.41/9,205.16
  6. Step 6: Final answer
    x = 7,212.39

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Double scale
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Similar ratio
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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.