Home / 7,942.81-10,960.77-4,405.96

Finding the Fourth Proportional to 7,942.81, 10,960.77 and 4,405.96

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Solution

The fourth proportional to 7,942.81, 10,960.77 and 4,405.96 is: 6,080.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,942.81 : 10,960.77 = 4,405.96 : x
  2. Step 2: Convert to fraction form
    7,942.81/10,960.77 = 4,405.96/x
  3. Step 3: Cross multiply
    7,942.81x = 10,960.77 × 4,405.96
  4. Step 4: Simplify right side
    7,942.81x = 48,292,714.19
  5. Step 5: Solve for x
    x = 48,292,714.19/7,942.81
  6. Step 6: Final answer
    x = 6,080.05

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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.