Home / 9,885.83-13,637.73-6,107.63

Finding the Fourth Proportional to 9,885.83, 13,637.73 and 6,107.63

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Solution

The fourth proportional to 9,885.83, 13,637.73 and 6,107.63 is: 8,425.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,885.83 : 13,637.73 = 6,107.63 : x
  2. Step 2: Convert to fraction form
    9,885.83/13,637.73 = 6,107.63/x
  3. Step 3: Cross multiply
    9,885.83x = 13,637.73 × 6,107.63
  4. Step 4: Simplify right side
    9,885.83x = 83,294,208.88
  5. Step 5: Solve for x
    x = 83,294,208.88/9,885.83
  6. Step 6: Final answer
    x = 8,425.62

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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.