Home / 12,404.25-17,118.95-6,816.33

Finding the Fourth Proportional to 12,404.25, 17,118.95 and 6,816.33

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Solution

The fourth proportional to 12,404.25, 17,118.95 and 6,816.33 is: 9,407.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,404.25 : 17,118.95 = 6,816.33 : x
  2. Step 2: Convert to fraction form
    12,404.25/17,118.95 = 6,816.33/x
  3. Step 3: Cross multiply
    12,404.25x = 17,118.95 × 6,816.33
  4. Step 4: Simplify right side
    12,404.25x = 116,688,378.37
  5. Step 5: Solve for x
    x = 116,688,378.37/12,404.25
  6. Step 6: Final answer
    x = 9,407.13

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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.