Home / 9,203.47-12,696.45-6,220.34

Finding the Fourth Proportional to 9,203.47, 12,696.45 and 6,220.34

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Solution

The fourth proportional to 9,203.47, 12,696.45 and 6,220.34 is: 8,581.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,203.47 : 12,696.45 = 6,220.34 : x
  2. Step 2: Convert to fraction form
    9,203.47/12,696.45 = 6,220.34/x
  3. Step 3: Cross multiply
    9,203.47x = 12,696.45 × 6,220.34
  4. Step 4: Simplify right side
    9,203.47x = 78,976,268.01
  5. Step 5: Solve for x
    x = 78,976,268.01/9,203.47
  6. Step 6: Final answer
    x = 8,581.14

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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.