Home / 7,931.27-10,945.15-4,346.32

Finding the Fourth Proportional to 7,931.27, 10,945.15 and 4,346.32

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Solution

The fourth proportional to 7,931.27, 10,945.15 and 4,346.32 is: 5,997.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931.27 : 10,945.15 = 4,346.32 : x
  2. Step 2: Convert to fraction form
    7,931.27/10,945.15 = 4,346.32/x
  3. Step 3: Cross multiply
    7,931.27x = 10,945.15 × 4,346.32
  4. Step 4: Simplify right side
    7,931.27x = 47,571,086.12
  5. Step 5: Solve for x
    x = 47,571,086.12/7,931.27
  6. Step 6: Final answer
    x = 5,997.91

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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.