Home / 8,538.12-12,732.69-7,594.20

Finding the Fourth Proportional to 8,538.12, 12,732.69 and 7,594.20

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Solution

The fourth proportional to 8,538.12, 12,732.69 and 7,594.20 is: 11,325.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,538.12 : 12,732.69 = 7,594.20 : x
  2. Step 2: Convert to fraction form
    8,538.12/12,732.69 = 7,594.20/x
  3. Step 3: Cross multiply
    8,538.12x = 12,732.69 × 7,594.20
  4. Step 4: Simplify right side
    8,538.12x = 96,694,594.40
  5. Step 5: Solve for x
    x = 96,694,594.40/8,538.12
  6. Step 6: Final answer
    x = 11,325.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.