Home / 8,634.83-12,966.69-7,548.62

Finding the Fourth Proportional to 8,634.83, 12,966.69 and 7,548.62

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Solution

The fourth proportional to 8,634.83, 12,966.69 and 7,548.62 is: 11,335.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,634.83 : 12,966.69 = 7,548.62 : x
  2. Step 2: Convert to fraction form
    8,634.83/12,966.69 = 7,548.62/x
  3. Step 3: Cross multiply
    8,634.83x = 12,966.69 × 7,548.62
  4. Step 4: Simplify right side
    8,634.83x = 97,880,615.47
  5. Step 5: Solve for x
    x = 97,880,615.47/8,634.83
  6. Step 6: Final answer
    x = 11,335.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.