Home / 8,177.55-12,265.51-2,631.07

Finding the Fourth Proportional to 8,177.55, 12,265.51 and 2,631.07

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Solution

The fourth proportional to 8,177.55, 12,265.51 and 2,631.07 is: 3,946.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,177.55 : 12,265.51 = 2,631.07 : x
  2. Step 2: Convert to fraction form
    8,177.55/12,265.51 = 2,631.07/x
  3. Step 3: Cross multiply
    8,177.55x = 12,265.51 × 2,631.07
  4. Step 4: Simplify right side
    8,177.55x = 32,271,415.40
  5. Step 5: Solve for x
    x = 32,271,415.40/8,177.55
  6. Step 6: Final answer
    x = 3,946.34

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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.