Home / 7,890.50-11,834.34-2,624.99

Finding the Fourth Proportional to 7,890.50, 11,834.34 and 2,624.99

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Solution

The fourth proportional to 7,890.50, 11,834.34 and 2,624.99 is: 3,937.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,890.50 : 11,834.34 = 2,624.99 : x
  2. Step 2: Convert to fraction form
    7,890.50/11,834.34 = 2,624.99/x
  3. Step 3: Cross multiply
    7,890.50x = 11,834.34 × 2,624.99
  4. Step 4: Simplify right side
    7,890.50x = 31,064,964.98
  5. Step 5: Solve for x
    x = 31,064,964.98/7,890.50
  6. Step 6: Final answer
    x = 3,937.01

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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.