Home / 7,960.22-10,985.37-4,423.58

Finding the Fourth Proportional to 7,960.22, 10,985.37 and 4,423.58

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Solution

The fourth proportional to 7,960.22, 10,985.37 and 4,423.58 is: 6,104.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,960.22 : 10,985.37 = 4,423.58 : x
  2. Step 2: Convert to fraction form
    7,960.22/10,985.37 = 4,423.58/x
  3. Step 3: Cross multiply
    7,960.22x = 10,985.37 × 4,423.58
  4. Step 4: Simplify right side
    7,960.22x = 48,594,663.02
  5. Step 5: Solve for x
    x = 48,594,663.02/7,960.22
  6. Step 6: Final answer
    x = 6,104.69

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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.