Home / 8,966.46-12,359.30-7,074.84

Finding the Fourth Proportional to 8,966.46, 12,359.30 and 7,074.84

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Solution

The fourth proportional to 8,966.46, 12,359.30 and 7,074.84 is: 9,751.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,966.46 : 12,359.30 = 7,074.84 : x
  2. Step 2: Convert to fraction form
    8,966.46/12,359.30 = 7,074.84/x
  3. Step 3: Cross multiply
    8,966.46x = 12,359.30 × 7,074.84
  4. Step 4: Simplify right side
    8,966.46x = 87,440,070.01
  5. Step 5: Solve for x
    x = 87,440,070.01/8,966.46
  6. Step 6: Final answer
    x = 9,751.91

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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.