Home / 7,113.42-10,651.50-4,641.30

Finding the Fourth Proportional to 7,113.42, 10,651.50 and 4,641.30

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Solution

The fourth proportional to 7,113.42, 10,651.50 and 4,641.30 is: 6,949.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,113.42 : 10,651.50 = 4,641.30 : x
  2. Step 2: Convert to fraction form
    7,113.42/10,651.50 = 4,641.30/x
  3. Step 3: Cross multiply
    7,113.42x = 10,651.50 × 4,641.30
  4. Step 4: Simplify right side
    7,113.42x = 49,436,806.95
  5. Step 5: Solve for x
    x = 49,436,806.95/7,113.42
  6. Step 6: Final answer
    x = 6,949.79

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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.