Home / 7,939.86-10,957.17-4,403.46

Finding the Fourth Proportional to 7,939.86, 10,957.17 and 4,403.46

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Solution

The fourth proportional to 7,939.86, 10,957.17 and 4,403.46 is: 6,076.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939.86 : 10,957.17 = 4,403.46 : x
  2. Step 2: Convert to fraction form
    7,939.86/10,957.17 = 4,403.46/x
  3. Step 3: Cross multiply
    7,939.86x = 10,957.17 × 4,403.46
  4. Step 4: Simplify right side
    7,939.86x = 48,249,459.81
  5. Step 5: Solve for x
    x = 48,249,459.81/7,939.86
  6. Step 6: Final answer
    x = 6,076.87

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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.