Home / 8,891.04-12,254.67-7,622.58

Finding the Fourth Proportional to 8,891.04, 12,254.67 and 7,622.58

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Solution

The fourth proportional to 8,891.04, 12,254.67 and 7,622.58 is: 10,506.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,891.04 : 12,254.67 = 7,622.58 : x
  2. Step 2: Convert to fraction form
    8,891.04/12,254.67 = 7,622.58/x
  3. Step 3: Cross multiply
    8,891.04x = 12,254.67 × 7,622.58
  4. Step 4: Simplify right side
    8,891.04x = 93,412,202.45
  5. Step 5: Solve for x
    x = 93,412,202.45/8,891.04
  6. Step 6: Final answer
    x = 10,506.33

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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.