Home / 9,109.45-12,566.50-6,125.41

Finding the Fourth Proportional to 9,109.45, 12,566.50 and 6,125.41

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Solution

The fourth proportional to 9,109.45, 12,566.50 and 6,125.41 is: 8,450.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,109.45 : 12,566.50 = 6,125.41 : x
  2. Step 2: Convert to fraction form
    9,109.45/12,566.50 = 6,125.41/x
  3. Step 3: Cross multiply
    9,109.45x = 12,566.50 × 6,125.41
  4. Step 4: Simplify right side
    9,109.45x = 76,974,964.77
  5. Step 5: Solve for x
    x = 76,974,964.77/9,109.45
  6. Step 6: Final answer
    x = 8,450.01

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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.