Home / 7,611.95-10,507.72-4,628.73

Finding the Fourth Proportional to 7,611.95, 10,507.72 and 4,628.73

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Solution

The fourth proportional to 7,611.95, 10,507.72 and 4,628.73 is: 6,389.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,611.95 : 10,507.72 = 4,628.73 : x
  2. Step 2: Convert to fraction form
    7,611.95/10,507.72 = 4,628.73/x
  3. Step 3: Cross multiply
    7,611.95x = 10,507.72 × 4,628.73
  4. Step 4: Simplify right side
    7,611.95x = 48,637,398.80
  5. Step 5: Solve for x
    x = 48,637,398.80/7,611.95
  6. Step 6: Final answer
    x = 6,389.61

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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.