Home / 7,960.09-10,985.18-4,423.53

Finding the Fourth Proportional to 7,960.09, 10,985.18 and 4,423.53

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Solution

The fourth proportional to 7,960.09, 10,985.18 and 4,423.53 is: 6,104.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,960.09 : 10,985.18 = 4,423.53 : x
  2. Step 2: Convert to fraction form
    7,960.09/10,985.18 = 4,423.53/x
  3. Step 3: Cross multiply
    7,960.09x = 10,985.18 × 4,423.53
  4. Step 4: Simplify right side
    7,960.09x = 48,593,273.29
  5. Step 5: Solve for x
    x = 48,593,273.29/7,960.09
  6. Step 6: Final answer
    x = 6,104.61

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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.