Home / 9,031.90-12,476.43-8,193.55

Finding the Fourth Proportional to 9,031.90, 12,476.43 and 8,193.55

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Solution

The fourth proportional to 9,031.90, 12,476.43 and 8,193.55 is: 11,318.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,031.90 : 12,476.43 = 8,193.55 : x
  2. Step 2: Convert to fraction form
    9,031.90/12,476.43 = 8,193.55/x
  3. Step 3: Cross multiply
    9,031.90x = 12,476.43 × 8,193.55
  4. Step 4: Simplify right side
    9,031.90x = 102,226,253.03
  5. Step 5: Solve for x
    x = 102,226,253.03/9,031.90
  6. Step 6: Final answer
    x = 11,318.36

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Half scale
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Double scale
Find fourth proportional to 9,032.90, 12,477.81 and 8,194.55
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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.