Home / 9,031.92-12,466.20-5,718

Finding the Fourth Proportional to 9,031.92, 12,466.20 and 5,718

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Solution

The fourth proportional to 9,031.92, 12,466.20 and 5,718 is: 7,892.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,031.92 : 12,466.20 = 5,718 : x
  2. Step 2: Convert to fraction form
    9,031.92/12,466.20 = 5,718/x
  3. Step 3: Cross multiply
    9,031.92x = 12,466.20 × 5,718
  4. Step 4: Simplify right side
    9,031.92x = 71,281,731.60
  5. Step 5: Solve for x
    x = 71,281,731.60/9,031.92
  6. Step 6: Final answer
    x = 7,892.20

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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.