Home / 8,836.17-12,187.50-6,111.74

Finding the Fourth Proportional to 8,836.17, 12,187.50 and 6,111.74

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Solution

The fourth proportional to 8,836.17, 12,187.50 and 6,111.74 is: 8,429.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,836.17 : 12,187.50 = 6,111.74 : x
  2. Step 2: Convert to fraction form
    8,836.17/12,187.50 = 6,111.74/x
  3. Step 3: Cross multiply
    8,836.17x = 12,187.50 × 6,111.74
  4. Step 4: Simplify right side
    8,836.17x = 74,486,770.31
  5. Step 5: Solve for x
    x = 74,486,770.31/8,836.17
  6. Step 6: Final answer
    x = 8,429.76

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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.