Home / 8,672.42-11,966.65-5,086.02

Finding the Fourth Proportional to 8,672.42, 11,966.65 and 5,086.02

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Solution

The fourth proportional to 8,672.42, 11,966.65 and 5,086.02 is: 7,017.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,672.42 : 11,966.65 = 5,086.02 : x
  2. Step 2: Convert to fraction form
    8,672.42/11,966.65 = 5,086.02/x
  3. Step 3: Cross multiply
    8,672.42x = 11,966.65 × 5,086.02
  4. Step 4: Simplify right side
    8,672.42x = 60,862,561.40
  5. Step 5: Solve for x
    x = 60,862,561.40/8,672.42
  6. Step 6: Final answer
    x = 7,017.95

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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.