Home / 12,473.49-17,211.85-7,630.65

Finding the Fourth Proportional to 12,473.49, 17,211.85 and 7,630.65

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Solution

The fourth proportional to 12,473.49, 17,211.85 and 7,630.65 is: 10,529.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,473.49 : 17,211.85 = 7,630.65 : x
  2. Step 2: Convert to fraction form
    12,473.49/17,211.85 = 7,630.65/x
  3. Step 3: Cross multiply
    12,473.49x = 17,211.85 × 7,630.65
  4. Step 4: Simplify right side
    12,473.49x = 131,337,603.20
  5. Step 5: Solve for x
    x = 131,337,603.20/12,473.49
  6. Step 6: Final answer
    x = 10,529.34

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Half scale
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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.