Home / 8,068.56-12,103.65-3,688.08

Finding the Fourth Proportional to 8,068.56, 12,103.65 and 3,688.08

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Solution

The fourth proportional to 8,068.56, 12,103.65 and 3,688.08 is: 5,532.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,068.56 : 12,103.65 = 3,688.08 : x
  2. Step 2: Convert to fraction form
    8,068.56/12,103.65 = 3,688.08/x
  3. Step 3: Cross multiply
    8,068.56x = 12,103.65 × 3,688.08
  4. Step 4: Simplify right side
    8,068.56x = 44,639,229.49
  5. Step 5: Solve for x
    x = 44,639,229.49/8,068.56
  6. Step 6: Final answer
    x = 5,532.49

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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.