Home / 8,554.83-12,815.50-7,626.03

Finding the Fourth Proportional to 8,554.83, 12,815.50 and 7,626.03

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Solution

The fourth proportional to 8,554.83, 12,815.50 and 7,626.03 is: 11,424.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,554.83 : 12,815.50 = 7,626.03 : x
  2. Step 2: Convert to fraction form
    8,554.83/12,815.50 = 7,626.03/x
  3. Step 3: Cross multiply
    8,554.83x = 12,815.50 × 7,626.03
  4. Step 4: Simplify right side
    8,554.83x = 97,731,304.32
  5. Step 5: Solve for x
    x = 97,731,304.32/8,554.83
  6. Step 6: Final answer
    x = 11,424.11

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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.